Home / 665,087.60-996,975.30-327,852.20

Finding the Fourth Proportional to 665,087.60, 996,975.30 and 327,852.20

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Solution

The fourth proportional to 665,087.60, 996,975.30 and 327,852.20 is: 491,454.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,087.60 : 996,975.30 = 327,852.20 : x
  2. Step 2: Convert to fraction form
    665,087.60/996,975.30 = 327,852.20/x
  3. Step 3: Cross multiply
    665,087.60x = 996,975.30 × 327,852.20
  4. Step 4: Simplify right side
    665,087.60x = 326,860,545,450.66
  5. Step 5: Solve for x
    x = 326,860,545,450.66/665,087.60
  6. Step 6: Final answer
    x = 491,454.88

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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.