Home / 843,308.23-1,265,377.86-394,060.15

Finding the Fourth Proportional to 843,308.23, 1,265,377.86 and 394,060.15

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Solution

The fourth proportional to 843,308.23, 1,265,377.86 and 394,060.15 is: 591,284.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,308.23 : 1,265,377.86 = 394,060.15 : x
  2. Step 2: Convert to fraction form
    843,308.23/1,265,377.86 = 394,060.15/x
  3. Step 3: Cross multiply
    843,308.23x = 1,265,377.86 × 394,060.15
  4. Step 4: Simplify right side
    843,308.23x = 498,634,989,318.28
  5. Step 5: Solve for x
    x = 498,634,989,318.28/843,308.23
  6. Step 6: Final answer
    x = 591,284.39

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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.