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Finding the Fourth Proportional to 617,082.29, 851,562.29 and 348,810.29

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Solution

The fourth proportional to 617,082.29, 851,562.29 and 348,810.29 is: 481,351.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,082.29 : 851,562.29 = 348,810.29 : x
  2. Step 2: Convert to fraction form
    617,082.29/851,562.29 = 348,810.29/x
  3. Step 3: Cross multiply
    617,082.29x = 851,562.29 × 348,810.29
  4. Step 4: Simplify right side
    617,082.29x = 297,033,687,583.91
  5. Step 5: Solve for x
    x = 297,033,687,583.91/617,082.29
  6. Step 6: Final answer
    x = 481,351.83

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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.