Home / 725,754.36-1,001,575.20-403,469.84

Finding the Fourth Proportional to 725,754.36, 1,001,575.20 and 403,469.84

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Solution

The fourth proportional to 725,754.36, 1,001,575.20 and 403,469.84 is: 556,807.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,754.36 : 1,001,575.20 = 403,469.84 : x
  2. Step 2: Convert to fraction form
    725,754.36/1,001,575.20 = 403,469.84/x
  3. Step 3: Cross multiply
    725,754.36x = 1,001,575.20 × 403,469.84
  4. Step 4: Simplify right side
    725,754.36x = 404,105,385,691.97
  5. Step 5: Solve for x
    x = 404,105,385,691.97/725,754.36
  6. Step 6: Final answer
    x = 556,807.38

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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.