Home / 725,990.11-1,001,825.13-403,693.27

Finding the Fourth Proportional to 725,990.11, 1,001,825.13 and 403,693.27

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Solution

The fourth proportional to 725,990.11, 1,001,825.13 and 403,693.27 is: 557,073.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,990.11 : 1,001,825.13 = 403,693.27 : x
  2. Step 2: Convert to fraction form
    725,990.11/1,001,825.13 = 403,693.27/x
  3. Step 3: Cross multiply
    725,990.11x = 1,001,825.13 × 403,693.27
  4. Step 4: Simplify right side
    725,990.11x = 404,430,062,697.88
  5. Step 5: Solve for x
    x = 404,430,062,697.88/725,990.11
  6. Step 6: Final answer
    x = 557,073.79

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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.