Home / 807,224.20-1,209,972.30-274,251.40

Finding the Fourth Proportional to 807,224.20, 1,209,972.30 and 274,251.40

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Solution

The fourth proportional to 807,224.20, 1,209,972.30 and 274,251.40 is: 411,083.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,224.20 : 1,209,972.30 = 274,251.40 : x
  2. Step 2: Convert to fraction form
    807,224.20/1,209,972.30 = 274,251.40/x
  3. Step 3: Cross multiply
    807,224.20x = 1,209,972.30 × 274,251.40
  4. Step 4: Simplify right side
    807,224.20x = 331,836,597,236.22
  5. Step 5: Solve for x
    x = 331,836,597,236.22/807,224.20
  6. Step 6: Final answer
    x = 411,083.56

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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.