Finding the Fourth Proportional to 482,171.20, 722,731.36 and 411,837.12
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Solution
The fourth proportional to 482,171.20, 722,731.36 and 411,837.12 is: 617,306.89
Step by Step Solution
- Step 1: Write the proportion equation
482,171.20 : 722,731.36 = 411,837.12 : x - Step 2: Convert to fraction form
482,171.20/722,731.36 = 411,837.12/x - Step 3: Cross multiply
482,171.20x = 722,731.36 × 411,837.12 - Step 4: Simplify right side
482,171.20x = 297,647,601,836.08 - Step 5: Solve for x
x = 297,647,601,836.08/482,171.20 - Step 6: Final answer
x = 617,306.89
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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.