Finding the Fourth Proportional to 574,715.05, 862,835.90 and 491,013.09
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Solution
The fourth proportional to 574,715.05, 862,835.90 and 491,013.09 is: 737,171.79
Step by Step Solution
- Step 1: Write the proportion equation
574,715.05 : 862,835.90 = 491,013.09 : x - Step 2: Convert to fraction form
574,715.05/862,835.90 = 491,013.09/x - Step 3: Cross multiply
574,715.05x = 862,835.90 × 491,013.09 - Step 4: Simplify right side
574,715.05x = 423,663,718,966.87 - Step 5: Solve for x
x = 423,663,718,966.87/574,715.05 - Step 6: Final answer
x = 737,171.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.