Home / 821,234.06-1,231,853.94-252,611.30

Finding the Fourth Proportional to 821,234.06, 1,231,853.94 and 252,611.30

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Solution

The fourth proportional to 821,234.06, 1,231,853.94 and 252,611.30 is: 378,917.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,234.06 : 1,231,853.94 = 252,611.30 : x
  2. Step 2: Convert to fraction form
    821,234.06/1,231,853.94 = 252,611.30/x
  3. Step 3: Cross multiply
    821,234.06x = 1,231,853.94 × 252,611.30
  4. Step 4: Simplify right side
    821,234.06x = 311,180,219,034.25
  5. Step 5: Solve for x
    x = 311,180,219,034.25/821,234.06
  6. Step 6: Final answer
    x = 378,917.82

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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.