Home / 728,144.70-1,092,022.65-222,704.70

Finding the Fourth Proportional to 728,144.70, 1,092,022.65 and 222,704.70

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Solution

The fourth proportional to 728,144.70, 1,092,022.65 and 222,704.70 is: 333,997.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,144.70 : 1,092,022.65 = 222,704.70 : x
  2. Step 2: Convert to fraction form
    728,144.70/1,092,022.65 = 222,704.70/x
  3. Step 3: Cross multiply
    728,144.70x = 1,092,022.65 × 222,704.70
  4. Step 4: Simplify right side
    728,144.70x = 243,198,576,661.46
  5. Step 5: Solve for x
    x = 243,198,576,661.46/728,144.70
  6. Step 6: Final answer
    x = 333,997.59

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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.