Finding the Fourth Proportional to 862,711.97, 1,190,547.26 and 500,350.71
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Solution
The fourth proportional to 862,711.97, 1,190,547.26 and 500,350.71 is: 690,486.72
Step by Step Solution
- Step 1: Write the proportion equation
862,711.97 : 1,190,547.26 = 500,350.71 : x - Step 2: Convert to fraction form
862,711.97/1,190,547.26 = 500,350.71/x - Step 3: Cross multiply
862,711.97x = 1,190,547.26 × 500,350.71 - Step 4: Simplify right side
862,711.97x = 595,691,158,375.07 - Step 5: Solve for x
x = 595,691,158,375.07/862,711.97 - Step 6: Final answer
x = 690,486.72
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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.