Home / 725,928.92-1,088,822.43-220,494.29

Finding the Fourth Proportional to 725,928.92, 1,088,822.43 and 220,494.29

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Solution

The fourth proportional to 725,928.92, 1,088,822.43 and 220,494.29 is: 330,719.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,928.92 : 1,088,822.43 = 220,494.29 : x
  2. Step 2: Convert to fraction form
    725,928.92/1,088,822.43 = 220,494.29/x
  3. Step 3: Cross multiply
    725,928.92x = 1,088,822.43 × 220,494.29
  4. Step 4: Simplify right side
    725,928.92x = 240,079,129,190.16
  5. Step 5: Solve for x
    x = 240,079,129,190.16/725,928.92
  6. Step 6: Final answer
    x = 330,719.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.