Home / 843,366.38-1,265,028.55-394,589.39

Finding the Fourth Proportional to 843,366.38, 1,265,028.55 and 394,589.39

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Solution

The fourth proportional to 843,366.38, 1,265,028.55 and 394,589.39 is: 591,874.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,366.38 : 1,265,028.55 = 394,589.39 : x
  2. Step 2: Convert to fraction form
    843,366.38/1,265,028.55 = 394,589.39/x
  3. Step 3: Cross multiply
    843,366.38x = 1,265,028.55 × 394,589.39
  4. Step 4: Simplify right side
    843,366.38x = 499,166,836,565.47
  5. Step 5: Solve for x
    x = 499,166,836,565.47/843,366.38
  6. Step 6: Final answer
    x = 591,874.25

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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.