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Finding the Fourth Proportional to 669,793.87, 924,311.86 and 363,867.85

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Solution

The fourth proportional to 669,793.87, 924,311.86 and 363,867.85 is: 502,135.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,793.87 : 924,311.86 = 363,867.85 : x
  2. Step 2: Convert to fraction form
    669,793.87/924,311.86 = 363,867.85/x
  3. Step 3: Cross multiply
    669,793.87x = 924,311.86 × 363,867.85
  4. Step 4: Simplify right side
    669,793.87x = 336,327,369,227.70
  5. Step 5: Solve for x
    x = 336,327,369,227.70/669,793.87
  6. Step 6: Final answer
    x = 502,135.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.