Home / 726,401.12-1,002,446.99-404,141.20

Finding the Fourth Proportional to 726,401.12, 1,002,446.99 and 404,141.20

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Solution

The fourth proportional to 726,401.12, 1,002,446.99 and 404,141.20 is: 557,722.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,401.12 : 1,002,446.99 = 404,141.20 : x
  2. Step 2: Convert to fraction form
    726,401.12/1,002,446.99 = 404,141.20/x
  3. Step 3: Cross multiply
    726,401.12x = 1,002,446.99 × 404,141.20
  4. Step 4: Simplify right side
    726,401.12x = 405,130,126,463.69
  5. Step 5: Solve for x
    x = 405,130,126,463.69/726,401.12
  6. Step 6: Final answer
    x = 557,722.34

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Double scale
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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.