Home / 807,499.38-1,211,439.42-452,758.26

Finding the Fourth Proportional to 807,499.38, 1,211,439.42 and 452,758.26

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Solution

The fourth proportional to 807,499.38, 1,211,439.42 and 452,758.26 is: 679,244.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,499.38 : 1,211,439.42 = 452,758.26 : x
  2. Step 2: Convert to fraction form
    807,499.38/1,211,439.42 = 452,758.26/x
  3. Step 3: Cross multiply
    807,499.38x = 1,211,439.42 × 452,758.26
  4. Step 4: Simplify right side
    807,499.38x = 548,489,203,894.61
  5. Step 5: Solve for x
    x = 548,489,203,894.61/807,499.38
  6. Step 6: Final answer
    x = 679,244.12

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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.