Home / 800,200.44-1,200,931.68-351,231.20

Finding the Fourth Proportional to 800,200.44, 1,200,931.68 and 351,231.20

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Solution

The fourth proportional to 800,200.44, 1,200,931.68 and 351,231.20 is: 527,123.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,200.44 : 1,200,931.68 = 351,231.20 : x
  2. Step 2: Convert to fraction form
    800,200.44/1,200,931.68 = 351,231.20/x
  3. Step 3: Cross multiply
    800,200.44x = 1,200,931.68 × 351,231.20
  4. Step 4: Simplify right side
    800,200.44x = 421,804,675,084.42
  5. Step 5: Solve for x
    x = 421,804,675,084.42/800,200.44
  6. Step 6: Final answer
    x = 527,123.77

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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.