Finding the Fourth Proportional to 741,691.20, 1,114,869.60 and 727,694.40
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Solution
The fourth proportional to 741,691.20, 1,114,869.60 and 727,694.40 is: 1,093,830.38
Step by Step Solution
- Step 1: Write the proportion equation
741,691.20 : 1,114,869.60 = 727,694.40 : x - Step 2: Convert to fraction form
741,691.20/1,114,869.60 = 727,694.40/x - Step 3: Cross multiply
741,691.20x = 1,114,869.60 × 727,694.40 - Step 4: Simplify right side
741,691.20x = 811,284,364,650.24 - Step 5: Solve for x
x = 811,284,364,650.24/741,691.20 - Step 6: Final answer
x = 1,093,830.38
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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.