Home / 827,877.20-1,241,815.80-329,241.20

Finding the Fourth Proportional to 827,877.20, 1,241,815.80 and 329,241.20

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Solution

The fourth proportional to 827,877.20, 1,241,815.80 and 329,241.20 is: 493,861.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,877.20 : 1,241,815.80 = 329,241.20 : x
  2. Step 2: Convert to fraction form
    827,877.20/1,241,815.80 = 329,241.20/x
  3. Step 3: Cross multiply
    827,877.20x = 1,241,815.80 × 329,241.20
  4. Step 4: Simplify right side
    827,877.20x = 408,856,924,170.96
  5. Step 5: Solve for x
    x = 408,856,924,170.96/827,877.20
  6. Step 6: Final answer
    x = 493,861.80

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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.