Home / 725,616.20-1,088,424.30-220,176.20

Finding the Fourth Proportional to 725,616.20, 1,088,424.30 and 220,176.20

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Solution

The fourth proportional to 725,616.20, 1,088,424.30 and 220,176.20 is: 330,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,616.20 : 1,088,424.30 = 220,176.20 : x
  2. Step 2: Convert to fraction form
    725,616.20/1,088,424.30 = 220,176.20/x
  3. Step 3: Cross multiply
    725,616.20x = 1,088,424.30 × 220,176.20
  4. Step 4: Simplify right side
    725,616.20x = 239,645,126,361.66
  5. Step 5: Solve for x
    x = 239,645,126,361.66/725,616.20
  6. Step 6: Final answer
    x = 330,264.30

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Similar ratio
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1.5x scale

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.