Finding the Fourth Proportional to 694,292.31, 1,040,755.30 and 405,737.71
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Solution
The fourth proportional to 694,292.31, 1,040,755.30 and 405,737.71 is: 608,207.32
Step by Step Solution
- Step 1: Write the proportion equation
694,292.31 : 1,040,755.30 = 405,737.71 : x - Step 2: Convert to fraction form
694,292.31/1,040,755.30 = 405,737.71/x - Step 3: Cross multiply
694,292.31x = 1,040,755.30 × 405,737.71 - Step 4: Simplify right side
694,292.31x = 422,273,668,476.13 - Step 5: Solve for x
x = 422,273,668,476.13/694,292.31 - Step 6: Final answer
x = 608,207.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.