Home / 888,033.76-1,331,719.95-319,259.66

Finding the Fourth Proportional to 888,033.76, 1,331,719.95 and 319,259.66

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Solution

The fourth proportional to 888,033.76, 1,331,719.95 and 319,259.66 is: 478,770.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,033.76 : 1,331,719.95 = 319,259.66 : x
  2. Step 2: Convert to fraction form
    888,033.76/1,331,719.95 = 319,259.66/x
  3. Step 3: Cross multiply
    888,033.76x = 1,331,719.95 × 319,259.66
  4. Step 4: Simplify right side
    888,033.76x = 425,164,451,793.62
  5. Step 5: Solve for x
    x = 425,164,451,793.62/888,033.76
  6. Step 6: Final answer
    x = 478,770.60

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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.