Home / 843,919.60-1,266,489.24-331,660.96

Finding the Fourth Proportional to 843,919.60, 1,266,489.24 and 331,660.96

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Solution

The fourth proportional to 843,919.60, 1,266,489.24 and 331,660.96 is: 497,731.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,919.60 : 1,266,489.24 = 331,660.96 : x
  2. Step 2: Convert to fraction form
    843,919.60/1,266,489.24 = 331,660.96/x
  3. Step 3: Cross multiply
    843,919.60x = 1,266,489.24 × 331,660.96
  4. Step 4: Simplify right side
    843,919.60x = 420,045,037,168.07
  5. Step 5: Solve for x
    x = 420,045,037,168.07/843,919.60
  6. Step 6: Final answer
    x = 497,731.11

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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.