Home / 658,220.52-987,330.80-159,584.52

Finding the Fourth Proportional to 658,220.52, 987,330.80 and 159,584.52

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Solution

The fourth proportional to 658,220.52, 987,330.80 and 159,584.52 is: 239,376.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,220.52 : 987,330.80 = 159,584.52 : x
  2. Step 2: Convert to fraction form
    658,220.52/987,330.80 = 159,584.52/x
  3. Step 3: Cross multiply
    658,220.52x = 987,330.80 × 159,584.52
  4. Step 4: Simplify right side
    658,220.52x = 157,562,711,799.22
  5. Step 5: Solve for x
    x = 157,562,711,799.22/658,220.52
  6. Step 6: Final answer
    x = 239,376.78

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Double scale
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Similar ratio
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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.