Home / 726,441.12-1,002,488.74-404,151.13

Finding the Fourth Proportional to 726,441.12, 1,002,488.74 and 404,151.13

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Solution

The fourth proportional to 726,441.12, 1,002,488.74 and 404,151.13 is: 557,728.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,441.12 : 1,002,488.74 = 404,151.13 : x
  2. Step 2: Convert to fraction form
    726,441.12/1,002,488.74 = 404,151.13/x
  3. Step 3: Cross multiply
    726,441.12x = 1,002,488.74 × 404,151.13
  4. Step 4: Simplify right side
    726,441.12x = 405,156,955,062.52
  5. Step 5: Solve for x
    x = 405,156,955,062.52/726,441.12
  6. Step 6: Final answer
    x = 557,728.55

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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.