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Finding the Fourth Proportional to 467,891.20, 701,180.70 and 411,466.60

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Solution

The fourth proportional to 467,891.20, 701,180.70 and 411,466.60 is: 616,622.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,891.20 : 701,180.70 = 411,466.60 : x
  2. Step 2: Convert to fraction form
    467,891.20/701,180.70 = 411,466.60/x
  3. Step 3: Cross multiply
    467,891.20x = 701,180.70 × 411,466.60
  4. Step 4: Simplify right side
    467,891.20x = 288,512,438,614.62
  5. Step 5: Solve for x
    x = 288,512,438,614.62/467,891.20
  6. Step 6: Final answer
    x = 616,622.92

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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.