Finding the Fourth Proportional to 681,838.29, 1,022,750.68 and 261,114.17
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Solution
The fourth proportional to 681,838.29, 1,022,750.68 and 261,114.17 is: 391,668.67
Step by Step Solution
- Step 1: Write the proportion equation
681,838.29 : 1,022,750.68 = 261,114.17 : x - Step 2: Convert to fraction form
681,838.29/1,022,750.68 = 261,114.17/x - Step 3: Cross multiply
681,838.29x = 1,022,750.68 × 261,114.17 - Step 4: Simplify right side
681,838.29x = 267,054,694,925.14 - Step 5: Solve for x
x = 267,054,694,925.14/681,838.29 - Step 6: Final answer
x = 391,668.67
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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.