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Finding the Fourth Proportional to 665,003.80, 996,825.30 and 327,525.40

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Solution

The fourth proportional to 665,003.80, 996,825.30 and 327,525.40 is: 490,952.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,003.80 : 996,825.30 = 327,525.40 : x
  2. Step 2: Convert to fraction form
    665,003.80/996,825.30 = 327,525.40/x
  3. Step 3: Cross multiply
    665,003.80x = 996,825.30 × 327,525.40
  4. Step 4: Simplify right side
    665,003.80x = 326,485,605,112.62
  5. Step 5: Solve for x
    x = 326,485,605,112.62/665,003.80
  6. Step 6: Final answer
    x = 490,952.99

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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.