Home / 726,238.29-1,002,184.79-403,939.29

Finding the Fourth Proportional to 726,238.29, 1,002,184.79 and 403,939.29

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Solution

The fourth proportional to 726,238.29, 1,002,184.79 and 403,939.29 is: 557,422.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,238.29 : 1,002,184.79 = 403,939.29 : x
  2. Step 2: Convert to fraction form
    726,238.29/1,002,184.79 = 403,939.29/x
  3. Step 3: Cross multiply
    726,238.29x = 1,002,184.79 × 403,939.29
  4. Step 4: Simplify right side
    726,238.29x = 404,821,812,521.40
  5. Step 5: Solve for x
    x = 404,821,812,521.40/726,238.29
  6. Step 6: Final answer
    x = 557,422.84

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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.