Home / 888,003.10-1,331,129.85-438,793.30

Finding the Fourth Proportional to 888,003.10, 1,331,129.85 and 438,793.30

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Solution

The fourth proportional to 888,003.10, 1,331,129.85 and 438,793.30 is: 657,757.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,003.10 : 1,331,129.85 = 438,793.30 : x
  2. Step 2: Convert to fraction form
    888,003.10/1,331,129.85 = 438,793.30/x
  3. Step 3: Cross multiply
    888,003.10x = 1,331,129.85 × 438,793.30
  4. Step 4: Simplify right side
    888,003.10x = 584,090,859,610.01
  5. Step 5: Solve for x
    x = 584,090,859,610.01/888,003.10
  6. Step 6: Final answer
    x = 657,757.68

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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.