Home / 817,882.80-1,226,824.20-226,906.80

Finding the Fourth Proportional to 817,882.80, 1,226,824.20 and 226,906.80

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Solution

The fourth proportional to 817,882.80, 1,226,824.20 and 226,906.80 is: 340,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,882.80 : 1,226,824.20 = 226,906.80 : x
  2. Step 2: Convert to fraction form
    817,882.80/1,226,824.20 = 226,906.80/x
  3. Step 3: Cross multiply
    817,882.80x = 1,226,824.20 × 226,906.80
  4. Step 4: Simplify right side
    817,882.80x = 278,374,753,384.56
  5. Step 5: Solve for x
    x = 278,374,753,384.56/817,882.80
  6. Step 6: Final answer
    x = 340,360.20

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Double scale
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Similar ratio
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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.