Home / 728,201.20-1,092,107.40-222,761.20

Finding the Fourth Proportional to 728,201.20, 1,092,107.40 and 222,761.20

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Solution

The fourth proportional to 728,201.20, 1,092,107.40 and 222,761.20 is: 334,082.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,201.20 : 1,092,107.40 = 222,761.20 : x
  2. Step 2: Convert to fraction form
    728,201.20/1,092,107.40 = 222,761.20/x
  3. Step 3: Cross multiply
    728,201.20x = 1,092,107.40 × 222,761.20
  4. Step 4: Simplify right side
    728,201.20x = 243,279,154,952.88
  5. Step 5: Solve for x
    x = 243,279,154,952.88/728,201.20
  6. Step 6: Final answer
    x = 334,082.33

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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.