Home / 813,807.50-1,123,067.87-451,246.66

Finding the Fourth Proportional to 813,807.50, 1,123,067.87 and 451,246.66

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Solution

The fourth proportional to 813,807.50, 1,123,067.87 and 451,246.66 is: 622,727.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,807.50 : 1,123,067.87 = 451,246.66 : x
  2. Step 2: Convert to fraction form
    813,807.50/1,123,067.87 = 451,246.66/x
  3. Step 3: Cross multiply
    813,807.50x = 1,123,067.87 × 451,246.66
  4. Step 4: Simplify right side
    813,807.50x = 506,780,625,290.81
  5. Step 5: Solve for x
    x = 506,780,625,290.81/813,807.50
  6. Step 6: Final answer
    x = 622,727.89

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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.