Home / 726,773.25-1,003,167.55-420,924.80

Finding the Fourth Proportional to 726,773.25, 1,003,167.55 and 420,924.80

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Solution

The fourth proportional to 726,773.25, 1,003,167.55 and 420,924.80 is: 581,003.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,773.25 : 1,003,167.55 = 420,924.80 : x
  2. Step 2: Convert to fraction form
    726,773.25/1,003,167.55 = 420,924.80/x
  3. Step 3: Cross multiply
    726,773.25x = 1,003,167.55 × 420,924.80
  4. Step 4: Simplify right side
    726,773.25x = 422,258,097,768.52
  5. Step 5: Solve for x
    x = 422,258,097,768.52/726,773.25
  6. Step 6: Final answer
    x = 581,003.91

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1.5x scale

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.