Home / 888,652.82-1,333,520.56-319,986.38

Finding the Fourth Proportional to 888,652.82, 1,333,520.56 and 319,986.38

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Solution

The fourth proportional to 888,652.82, 1,333,520.56 and 319,986.38 is: 480,174.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,652.82 : 1,333,520.56 = 319,986.38 : x
  2. Step 2: Convert to fraction form
    888,652.82/1,333,520.56 = 319,986.38/x
  3. Step 3: Cross multiply
    888,652.82x = 1,333,520.56 × 319,986.38
  4. Step 4: Simplify right side
    888,652.82x = 426,708,416,649.97
  5. Step 5: Solve for x
    x = 426,708,416,649.97/888,652.82
  6. Step 6: Final answer
    x = 480,174.49

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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.