Home / 843,321.66-1,265,398.11-394,073.52

Finding the Fourth Proportional to 843,321.66, 1,265,398.11 and 394,073.52

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Solution

The fourth proportional to 843,321.66, 1,265,398.11 and 394,073.52 is: 591,304.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,321.66 : 1,265,398.11 = 394,073.52 : x
  2. Step 2: Convert to fraction form
    843,321.66/1,265,398.11 = 394,073.52/x
  3. Step 3: Cross multiply
    843,321.66x = 1,265,398.11 × 394,073.52
  4. Step 4: Simplify right side
    843,321.66x = 498,659,887,409.05
  5. Step 5: Solve for x
    x = 498,659,887,409.05/843,321.66
  6. Step 6: Final answer
    x = 591,304.49

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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.