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Finding the Fourth Proportional to 888,493.92, 1,332,882.96 and 289,408.96

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Solution

The fourth proportional to 888,493.92, 1,332,882.96 and 289,408.96 is: 434,159.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,493.92 : 1,332,882.96 = 289,408.96 : x
  2. Step 2: Convert to fraction form
    888,493.92/1,332,882.96 = 289,408.96/x
  3. Step 3: Cross multiply
    888,493.92x = 1,332,882.96 × 289,408.96
  4. Step 4: Simplify right side
    888,493.92x = 385,748,271,255.32
  5. Step 5: Solve for x
    x = 385,748,271,255.32/888,493.92
  6. Step 6: Final answer
    x = 434,159.72

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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.