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Finding the Fourth Proportional to 573,743.20, 860,614.80 and 482,504.80

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Solution

The fourth proportional to 573,743.20, 860,614.80 and 482,504.80 is: 723,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,743.20 : 860,614.80 = 482,504.80 : x
  2. Step 2: Convert to fraction form
    573,743.20/860,614.80 = 482,504.80/x
  3. Step 3: Cross multiply
    573,743.20x = 860,614.80 × 482,504.80
  4. Step 4: Simplify right side
    573,743.20x = 415,250,771,951.04
  5. Step 5: Solve for x
    x = 415,250,771,951.04/573,743.20
  6. Step 6: Final answer
    x = 723,757.20

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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.