Home / 558,149.90-836,171.32-329,764.05

Finding the Fourth Proportional to 558,149.90, 836,171.32 and 329,764.05

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Solution

The fourth proportional to 558,149.90, 836,171.32 and 329,764.05 is: 494,023.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,149.90 : 836,171.32 = 329,764.05 : x
  2. Step 2: Convert to fraction form
    558,149.90/836,171.32 = 329,764.05/x
  3. Step 3: Cross multiply
    558,149.90x = 836,171.32 × 329,764.05
  4. Step 4: Simplify right side
    558,149.90x = 275,739,243,122.68
  5. Step 5: Solve for x
    x = 275,739,243,122.68/558,149.90
  6. Step 6: Final answer
    x = 494,023.64

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1.5x scale

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.