Home / 392,579.41-588,872.05-214,989.54

Finding the Fourth Proportional to 392,579.41, 588,872.05 and 214,989.54

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Solution

The fourth proportional to 392,579.41, 588,872.05 and 214,989.54 is: 322,485.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,579.41 : 588,872.05 = 214,989.54 : x
  2. Step 2: Convert to fraction form
    392,579.41/588,872.05 = 214,989.54/x
  3. Step 3: Cross multiply
    392,579.41x = 588,872.05 × 214,989.54
  4. Step 4: Simplify right side
    392,579.41x = 126,601,328,204.00
  5. Step 5: Solve for x
    x = 126,601,328,204.00/392,579.41
  6. Step 6: Final answer
    x = 322,485.91

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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.