Home / 728,199.82-1,092,260.46-222,760.90

Finding the Fourth Proportional to 728,199.82, 1,092,260.46 and 222,760.90

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Solution

The fourth proportional to 728,199.82, 1,092,260.46 and 222,760.90 is: 334,129.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,199.82 : 1,092,260.46 = 222,760.90 : x
  2. Step 2: Convert to fraction form
    728,199.82/1,092,260.46 = 222,760.90/x
  3. Step 3: Cross multiply
    728,199.82x = 1,092,260.46 × 222,760.90
  4. Step 4: Simplify right side
    728,199.82x = 243,312,923,104.01
  5. Step 5: Solve for x
    x = 243,312,923,104.01/728,199.82
  6. Step 6: Final answer
    x = 334,129.34

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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.