Home / 639,727.28-959,923.02-260,925.92

Finding the Fourth Proportional to 639,727.28, 959,923.02 and 260,925.92

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Solution

The fourth proportional to 639,727.28, 959,923.02 and 260,925.92 is: 391,524.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,727.28 : 959,923.02 = 260,925.92 : x
  2. Step 2: Convert to fraction form
    639,727.28/959,923.02 = 260,925.92/x
  3. Step 3: Cross multiply
    639,727.28x = 959,923.02 × 260,925.92
  4. Step 4: Simplify right side
    639,727.28x = 250,468,797,122.68
  5. Step 5: Solve for x
    x = 250,468,797,122.68/639,727.28
  6. Step 6: Final answer
    x = 391,524.33

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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.