0 calculated according to, or as a share of, the fixed rate for a larger total amount: --
1 relating to a calculation of something such as pay or benefits according to a smaller number of hours worked, a smaller amount of something used, etc. in relation to the hours worked in a full time job, a larger amount of something used, etc.: --
However, the free tickets will be on a pro rata to school population basis.
The arrangements include provision for other countries to modify their contributions pro rata if one or more donors fail to meet their obligations in full.
Parts of a day's lost fishing time would be payable on a pro rata basis.
The £6 a week pay limit will apply to all part-time employees on a pro rata basis.
A larger wind power capacity would increase the savings pro rata.
On a pro rata basis, the money for the south-east would be £45 million.
In addition to the fee, pro rata payment is made to the doctors for certain individual items supplied.
Is there to be any greater increase than a pro rata increase with the increase in population?