Home / 498,240.59-687,568.23-283,380.39

Finding the Fourth Proportional to 498,240.59, 687,568.23 and 283,380.39

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Solution

The fourth proportional to 498,240.59, 687,568.23 and 283,380.39 is: 391,062.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,240.59 : 687,568.23 = 283,380.39 : x
  2. Step 2: Convert to fraction form
    498,240.59/687,568.23 = 283,380.39/x
  3. Step 3: Cross multiply
    498,240.59x = 687,568.23 × 283,380.39
  4. Step 4: Simplify right side
    498,240.59x = 194,843,353,169.01
  5. Step 5: Solve for x
    x = 194,843,353,169.01/498,240.59
  6. Step 6: Final answer
    x = 391,062.79

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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.