Home / 726,581.25-1,002,682.12-404,312.10

Finding the Fourth Proportional to 726,581.25, 1,002,682.12 and 404,312.10

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Solution

The fourth proportional to 726,581.25, 1,002,682.12 and 404,312.10 is: 557,950.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,581.25 : 1,002,682.12 = 404,312.10 : x
  2. Step 2: Convert to fraction form
    726,581.25/1,002,682.12 = 404,312.10/x
  3. Step 3: Cross multiply
    726,581.25x = 1,002,682.12 × 404,312.10
  4. Step 4: Simplify right side
    726,581.25x = 405,396,513,569.65
  5. Step 5: Solve for x
    x = 405,396,513,569.65/726,581.25
  6. Step 6: Final answer
    x = 557,950.70

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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.