Home / 725,634.20-1,088,451.30-220,194.20

Finding the Fourth Proportional to 725,634.20, 1,088,451.30 and 220,194.20

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Solution

The fourth proportional to 725,634.20, 1,088,451.30 and 220,194.20 is: 330,291.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,634.20 : 1,088,451.30 = 220,194.20 : x
  2. Step 2: Convert to fraction form
    725,634.20/1,088,451.30 = 220,194.20/x
  3. Step 3: Cross multiply
    725,634.20x = 1,088,451.30 × 220,194.20
  4. Step 4: Simplify right side
    725,634.20x = 239,670,663,242.46
  5. Step 5: Solve for x
    x = 239,670,663,242.46/725,634.20
  6. Step 6: Final answer
    x = 330,291.30

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Half scale
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Double scale
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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.