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Finding the Fourth Proportional to 605,000.20, 907,500.30 and 463,282.60

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Solution

The fourth proportional to 605,000.20, 907,500.30 and 463,282.60 is: 694,923.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,000.20 : 907,500.30 = 463,282.60 : x
  2. Step 2: Convert to fraction form
    605,000.20/907,500.30 = 463,282.60/x
  3. Step 3: Cross multiply
    605,000.20x = 907,500.30 × 463,282.60
  4. Step 4: Simplify right side
    605,000.20x = 420,429,098,484.78
  5. Step 5: Solve for x
    x = 420,429,098,484.78/605,000.20
  6. Step 6: Final answer
    x = 694,923.90

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Similar ratio
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1.5x scale

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.