Home / 726,206.04-1,002,149.96-403,909.20

Finding the Fourth Proportional to 726,206.04, 1,002,149.96 and 403,909.20

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Solution

The fourth proportional to 726,206.04, 1,002,149.96 and 403,909.20 is: 557,386.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,206.04 : 1,002,149.96 = 403,909.20 : x
  2. Step 2: Convert to fraction form
    726,206.04/1,002,149.96 = 403,909.20/x
  3. Step 3: Cross multiply
    726,206.04x = 1,002,149.96 × 403,909.20
  4. Step 4: Simplify right side
    726,206.04x = 404,777,586,604.09
  5. Step 5: Solve for x
    x = 404,777,586,604.09/726,206.04
  6. Step 6: Final answer
    x = 557,386.70

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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.