Home / 892,825.92-1,339,238.88-394,090.56

Finding the Fourth Proportional to 892,825.92, 1,339,238.88 and 394,090.56

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Solution

The fourth proportional to 892,825.92, 1,339,238.88 and 394,090.56 is: 591,135.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,825.92 : 1,339,238.88 = 394,090.56 : x
  2. Step 2: Convert to fraction form
    892,825.92/1,339,238.88 = 394,090.56/x
  3. Step 3: Cross multiply
    892,825.92x = 1,339,238.88 × 394,090.56
  4. Step 4: Simplify right side
    892,825.92x = 527,781,400,192.97
  5. Step 5: Solve for x
    x = 527,781,400,192.97/892,825.92
  6. Step 6: Final answer
    x = 591,135.84

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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.