Home / 725,905.92-1,001,753.28-403,645.44

Finding the Fourth Proportional to 725,905.92, 1,001,753.28 and 403,645.44

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Solution

The fourth proportional to 725,905.92, 1,001,753.28 and 403,645.44 is: 557,032.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,905.92 : 1,001,753.28 = 403,645.44 : x
  2. Step 2: Convert to fraction form
    725,905.92/1,001,753.28 = 403,645.44/x
  3. Step 3: Cross multiply
    725,905.92x = 1,001,753.28 × 403,645.44
  4. Step 4: Simplify right side
    725,905.92x = 404,353,143,477.04
  5. Step 5: Solve for x
    x = 404,353,143,477.04/725,905.92
  6. Step 6: Final answer
    x = 557,032.44

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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.