Home / 807,500.38-1,211,440.92-452,759.26

Finding the Fourth Proportional to 807,500.38, 1,211,440.92 and 452,759.26

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Solution

The fourth proportional to 807,500.38, 1,211,440.92 and 452,759.26 is: 679,245.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,500.38 : 1,211,440.92 = 452,759.26 : x
  2. Step 2: Convert to fraction form
    807,500.38/1,211,440.92 = 452,759.26/x
  3. Step 3: Cross multiply
    807,500.38x = 1,211,440.92 × 452,759.26
  4. Step 4: Simplify right side
    807,500.38x = 548,491,094,472.92
  5. Step 5: Solve for x
    x = 548,491,094,472.92/807,500.38
  6. Step 6: Final answer
    x = 679,245.62

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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.