Home / 658,224.48-987,336.76-231,659.85

Finding the Fourth Proportional to 658,224.48, 987,336.76 and 231,659.85

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Solution

The fourth proportional to 658,224.48, 987,336.76 and 231,659.85 is: 347,489.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,224.48 : 987,336.76 = 231,659.85 : x
  2. Step 2: Convert to fraction form
    658,224.48/987,336.76 = 231,659.85/x
  3. Step 3: Cross multiply
    658,224.48x = 987,336.76 × 231,659.85
  4. Step 4: Simplify right side
    658,224.48x = 228,726,285,721.09
  5. Step 5: Solve for x
    x = 228,726,285,721.09/658,224.48
  6. Step 6: Final answer
    x = 347,489.79

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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.