Home / 498,166.11-687,484.40-283,337.10

Finding the Fourth Proportional to 498,166.11, 687,484.40 and 283,337.10

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Solution

The fourth proportional to 498,166.11, 687,484.40 and 283,337.10 is: 391,013.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,166.11 : 687,484.40 = 283,337.10 : x
  2. Step 2: Convert to fraction form
    498,166.11/687,484.40 = 283,337.10/x
  3. Step 3: Cross multiply
    498,166.11x = 687,484.40 × 283,337.10
  4. Step 4: Simplify right side
    498,166.11x = 194,789,834,774.56
  5. Step 5: Solve for x
    x = 194,789,834,774.56/498,166.11
  6. Step 6: Final answer
    x = 391,013.82

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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.