Home / 664,450.60-996,546.30-215,062.60

Finding the Fourth Proportional to 664,450.60, 996,546.30 and 215,062.60

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Solution

The fourth proportional to 664,450.60, 996,546.30 and 215,062.60 is: 322,551.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,450.60 : 996,546.30 = 215,062.60 : x
  2. Step 2: Convert to fraction form
    664,450.60/996,546.30 = 215,062.60/x
  3. Step 3: Cross multiply
    664,450.60x = 996,546.30 × 215,062.60
  4. Step 4: Simplify right side
    664,450.60x = 214,319,838,298.38
  5. Step 5: Solve for x
    x = 214,319,838,298.38/664,450.60
  6. Step 6: Final answer
    x = 322,551.95

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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.