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Finding the Fourth Proportional to 491,313.35, 735,789.02 and 280,311.59

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Solution

The fourth proportional to 491,313.35, 735,789.02 and 280,311.59 is: 419,793.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,313.35 : 735,789.02 = 280,311.59 : x
  2. Step 2: Convert to fraction form
    491,313.35/735,789.02 = 280,311.59/x
  3. Step 3: Cross multiply
    491,313.35x = 735,789.02 × 280,311.59
  4. Step 4: Simplify right side
    491,313.35x = 206,250,185,020.24
  5. Step 5: Solve for x
    x = 206,250,185,020.24/491,313.35
  6. Step 6: Final answer
    x = 419,793.57

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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.