Finding the Fourth Proportional to 951,413.48, 1,313,639.40 and 612,472.16
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Solution
The fourth proportional to 951,413.48, 1,313,639.40 and 612,472.16 is: 845,654.99
Step by Step Solution
- Step 1: Write the proportion equation
951,413.48 : 1,313,639.40 = 612,472.16 : x - Step 2: Convert to fraction form
951,413.48/1,313,639.40 = 612,472.16/x - Step 3: Cross multiply
951,413.48x = 1,313,639.40 × 612,472.16 - Step 4: Simplify right side
951,413.48x = 804,567,560,779.10 - Step 5: Solve for x
x = 804,567,560,779.10/951,413.48 - Step 6: Final answer
x = 845,654.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.