Home / 843,542.60-1,265,318.70-344,906.60

Finding the Fourth Proportional to 843,542.60, 1,265,318.70 and 344,906.60

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Solution

The fourth proportional to 843,542.60, 1,265,318.70 and 344,906.60 is: 517,361.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,542.60 : 1,265,318.70 = 344,906.60 : x
  2. Step 2: Convert to fraction form
    843,542.60/1,265,318.70 = 344,906.60/x
  3. Step 3: Cross multiply
    843,542.60x = 1,265,318.70 × 344,906.60
  4. Step 4: Simplify right side
    843,542.60x = 436,416,770,733.42
  5. Step 5: Solve for x
    x = 436,416,770,733.42/843,542.60
  6. Step 6: Final answer
    x = 517,361.86

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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.