Home / 725,758.22-1,001,575.20-399,098.02

Finding the Fourth Proportional to 725,758.22, 1,001,575.20 and 399,098.02

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Solution

The fourth proportional to 725,758.22, 1,001,575.20 and 399,098.02 is: 550,771.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,758.22 : 1,001,575.20 = 399,098.02 : x
  2. Step 2: Convert to fraction form
    725,758.22/1,001,575.20 = 399,098.02/x
  3. Step 3: Cross multiply
    725,758.22x = 1,001,575.20 × 399,098.02
  4. Step 4: Simplify right side
    725,758.22x = 399,726,679,201.10
  5. Step 5: Solve for x
    x = 399,726,679,201.10/725,758.22
  6. Step 6: Final answer
    x = 550,771.14

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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.