Finding the Fourth Proportional to 922,979.10, 1,273,775.09 and 515,160.49
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Solution
The fourth proportional to 922,979.10, 1,273,775.09 and 515,160.49 is: 710,957.17
Step by Step Solution
- Step 1: Write the proportion equation
922,979.10 : 1,273,775.09 = 515,160.49 : x - Step 2: Convert to fraction form
922,979.10/1,273,775.09 = 515,160.49/x - Step 3: Cross multiply
922,979.10x = 1,273,775.09 × 515,160.49 - Step 4: Simplify right side
922,979.10x = 656,198,605,862.69 - Step 5: Solve for x
x = 656,198,605,862.69/922,979.10 - Step 6: Final answer
x = 710,957.17
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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.