Home / 609,380.20-911,996.70-534,730.60

Finding the Fourth Proportional to 609,380.20, 911,996.70 and 534,730.60

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Solution

The fourth proportional to 609,380.20, 911,996.70 and 534,730.60 is: 800,276.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,380.20 : 911,996.70 = 534,730.60 : x
  2. Step 2: Convert to fraction form
    609,380.20/911,996.70 = 534,730.60/x
  3. Step 3: Cross multiply
    609,380.20x = 911,996.70 × 534,730.60
  4. Step 4: Simplify right side
    609,380.20x = 487,672,542,589.02
  5. Step 5: Solve for x
    x = 487,672,542,589.02/609,380.20
  6. Step 6: Final answer
    x = 800,276.32

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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.