Home / 728,198.82-1,092,258.96-222,759.90

Finding the Fourth Proportional to 728,198.82, 1,092,258.96 and 222,759.90

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Solution

The fourth proportional to 728,198.82, 1,092,258.96 and 222,759.90 is: 334,127.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,198.82 : 1,092,258.96 = 222,759.90 : x
  2. Step 2: Convert to fraction form
    728,198.82/1,092,258.96 = 222,759.90/x
  3. Step 3: Cross multiply
    728,198.82x = 1,092,258.96 × 222,759.90
  4. Step 4: Simplify right side
    728,198.82x = 243,311,496,703.70
  5. Step 5: Solve for x
    x = 243,311,496,703.70/728,198.82
  6. Step 6: Final answer
    x = 334,127.84

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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.