Home / 726,126.13-1,002,039.83-403,829.29

Finding the Fourth Proportional to 726,126.13, 1,002,039.83 and 403,829.29

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Solution

The fourth proportional to 726,126.13, 1,002,039.83 and 403,829.29 is: 557,276.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,126.13 : 1,002,039.83 = 403,829.29 : x
  2. Step 2: Convert to fraction form
    726,126.13/1,002,039.83 = 403,829.29/x
  3. Step 3: Cross multiply
    726,126.13x = 1,002,039.83 × 403,829.29
  4. Step 4: Simplify right side
    726,126.13x = 404,653,033,848.38
  5. Step 5: Solve for x
    x = 404,653,033,848.38/726,126.13
  6. Step 6: Final answer
    x = 557,276.51

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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.