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Finding the Fourth Proportional to 800,305.02, 1,200,794.49 and 350,793.90

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Solution

The fourth proportional to 800,305.02, 1,200,794.49 and 350,793.90 is: 526,338.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,305.02 : 1,200,794.49 = 350,793.90 : x
  2. Step 2: Convert to fraction form
    800,305.02/1,200,794.49 = 350,793.90/x
  3. Step 3: Cross multiply
    800,305.02x = 1,200,794.49 × 350,793.90
  4. Step 4: Simplify right side
    800,305.02x = 421,231,382,245.61
  5. Step 5: Solve for x
    x = 421,231,382,245.61/800,305.02
  6. Step 6: Final answer
    x = 526,338.55

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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.