Finding the Fourth Proportional to 711,251.79, 981,617.35 and 466,442.53
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Solution
The fourth proportional to 711,251.79, 981,617.35 and 466,442.53 is: 643,749.64
Step by Step Solution
- Step 1: Write the proportion equation
711,251.79 : 981,617.35 = 466,442.53 : x - Step 2: Convert to fraction form
711,251.79/981,617.35 = 466,442.53/x - Step 3: Cross multiply
711,251.79x = 981,617.35 × 466,442.53 - Step 4: Simplify right side
711,251.79x = 457,868,080,225.90 - Step 5: Solve for x
x = 457,868,080,225.90/711,251.79 - Step 6: Final answer
x = 643,749.64
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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.