Finding the Fourth Proportional to 522,694.53, 721,523.60 and 370,528.08
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Solution
The fourth proportional to 522,694.53, 721,523.60 and 370,528.08 is: 511,474.17
Step by Step Solution
- Step 1: Write the proportion equation
522,694.53 : 721,523.60 = 370,528.08 : x - Step 2: Convert to fraction form
522,694.53/721,523.60 = 370,528.08/x - Step 3: Cross multiply
522,694.53x = 721,523.60 × 370,528.08 - Step 4: Simplify right side
522,694.53x = 267,344,752,330.05 - Step 5: Solve for x
x = 267,344,752,330.05/522,694.53 - Step 6: Final answer
x = 511,474.17
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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.