Home / 728,229.38-1,092,839.43-446,887.94

Finding the Fourth Proportional to 728,229.38, 1,092,839.43 and 446,887.94

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Solution

The fourth proportional to 728,229.38, 1,092,839.43 and 446,887.94 is: 670,635.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,229.38 : 1,092,839.43 = 446,887.94 : x
  2. Step 2: Convert to fraction form
    728,229.38/1,092,839.43 = 446,887.94/x
  3. Step 3: Cross multiply
    728,229.38x = 1,092,839.43 × 446,887.94
  4. Step 4: Simplify right side
    728,229.38x = 488,376,761,623.47
  5. Step 5: Solve for x
    x = 488,376,761,623.47/728,229.38
  6. Step 6: Final answer
    x = 670,635.89

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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.