Home / 438,914.93-658,273.75-261,472.37

Finding the Fourth Proportional to 438,914.93, 658,273.75 and 261,472.37

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Solution

The fourth proportional to 438,914.93, 658,273.75 and 261,472.37 is: 392,149.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,914.93 : 658,273.75 = 261,472.37 : x
  2. Step 2: Convert to fraction form
    438,914.93/658,273.75 = 261,472.37/x
  3. Step 3: Cross multiply
    438,914.93x = 658,273.75 × 261,472.37
  4. Step 4: Simplify right side
    438,914.93x = 172,120,393,576.24
  5. Step 5: Solve for x
    x = 172,120,393,576.24/438,914.93
  6. Step 6: Final answer
    x = 392,149.79

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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.