Home / 863,996.60-1,295,073.30-331,311.80

Finding the Fourth Proportional to 863,996.60, 1,295,073.30 and 331,311.80

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Solution

The fourth proportional to 863,996.60, 1,295,073.30 and 331,311.80 is: 496,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,996.60 : 1,295,073.30 = 331,311.80 : x
  2. Step 2: Convert to fraction form
    863,996.60/1,295,073.30 = 331,311.80/x
  3. Step 3: Cross multiply
    863,996.60x = 1,295,073.30 × 331,311.80
  4. Step 4: Simplify right side
    863,996.60x = 429,073,066,154.94
  5. Step 5: Solve for x
    x = 429,073,066,154.94/863,996.60
  6. Step 6: Final answer
    x = 496,614.30

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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.