Home / 558,138.67-836,245.09-305,600.92

Finding the Fourth Proportional to 558,138.67, 836,245.09 and 305,600.92

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Solution

The fourth proportional to 558,138.67, 836,245.09 and 305,600.92 is: 457,874.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,138.67 : 836,245.09 = 305,600.92 : x
  2. Step 2: Convert to fraction form
    558,138.67/836,245.09 = 305,600.92/x
  3. Step 3: Cross multiply
    558,138.67x = 836,245.09 × 305,600.92
  4. Step 4: Simplify right side
    558,138.67x = 255,557,268,849.48
  5. Step 5: Solve for x
    x = 255,557,268,849.48/558,138.67
  6. Step 6: Final answer
    x = 457,874.15

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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.