Finding the Fourth Proportional to 726,981.31, 1,003,251.79 and 404,713.19
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Solution
The fourth proportional to 726,981.31, 1,003,251.79 and 404,713.19 is: 558,513.99
Step by Step Solution
- Step 1: Write the proportion equation
726,981.31 : 1,003,251.79 = 404,713.19 : x - Step 2: Convert to fraction form
726,981.31/1,003,251.79 = 404,713.19/x - Step 3: Cross multiply
726,981.31x = 1,003,251.79 × 404,713.19 - Step 4: Simplify right side
726,981.31x = 406,029,235,318.13 - Step 5: Solve for x
x = 406,029,235,318.13/726,981.31 - Step 6: Final answer
x = 558,513.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.