Home / 558,165.88-836,192.38-329,778.50

Finding the Fourth Proportional to 558,165.88, 836,192.38 and 329,778.50

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Solution

The fourth proportional to 558,165.88, 836,192.38 and 329,778.50 is: 494,043.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,165.88 : 836,192.38 = 329,778.50 : x
  2. Step 2: Convert to fraction form
    558,165.88/836,192.38 = 329,778.50/x
  3. Step 3: Cross multiply
    558,165.88x = 836,192.38 × 329,778.50
  4. Step 4: Simplify right side
    558,165.88x = 275,758,268,787.83
  5. Step 5: Solve for x
    x = 275,758,268,787.83/558,165.88
  6. Step 6: Final answer
    x = 494,043.58

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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.