Home / 725,331.46-1,000,937.52-403,033.28

Finding the Fourth Proportional to 725,331.46, 1,000,937.52 and 403,033.28

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Solution

The fourth proportional to 725,331.46, 1,000,937.52 and 403,033.28 is: 556,174.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,331.46 : 1,000,937.52 = 403,033.28 : x
  2. Step 2: Convert to fraction form
    725,331.46/1,000,937.52 = 403,033.28/x
  3. Step 3: Cross multiply
    725,331.46x = 1,000,937.52 × 403,033.28
  4. Step 4: Simplify right side
    725,331.46x = 403,411,131,760.67
  5. Step 5: Solve for x
    x = 403,411,131,760.67/725,331.46
  6. Step 6: Final answer
    x = 556,174.87

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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.