Home / 726,505.97-1,002,626.15-404,216.73

Finding the Fourth Proportional to 726,505.97, 1,002,626.15 and 404,216.73

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Solution

The fourth proportional to 726,505.97, 1,002,626.15 and 404,216.73 is: 557,845.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,505.97 : 1,002,626.15 = 404,216.73 : x
  2. Step 2: Convert to fraction form
    726,505.97/1,002,626.15 = 404,216.73/x
  3. Step 3: Cross multiply
    726,505.97x = 1,002,626.15 × 404,216.73
  4. Step 4: Simplify right side
    726,505.97x = 405,278,261,744.41
  5. Step 5: Solve for x
    x = 405,278,261,744.41/726,505.97
  6. Step 6: Final answer
    x = 557,845.75

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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.