Home / 800,198.44-1,200,928.68-351,229.20

Finding the Fourth Proportional to 800,198.44, 1,200,928.68 and 351,229.20

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Solution

The fourth proportional to 800,198.44, 1,200,928.68 and 351,229.20 is: 527,120.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,198.44 : 1,200,928.68 = 351,229.20 : x
  2. Step 2: Convert to fraction form
    800,198.44/1,200,928.68 = 351,229.20/x
  3. Step 3: Cross multiply
    800,198.44x = 1,200,928.68 × 351,229.20
  4. Step 4: Simplify right side
    800,198.44x = 421,801,219,533.46
  5. Step 5: Solve for x
    x = 421,801,219,533.46/800,198.44
  6. Step 6: Final answer
    x = 527,120.77

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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.