Home / 327,840.40-491,760.60-323,174.80

Finding the Fourth Proportional to 327,840.40, 491,760.60 and 323,174.80

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Solution

The fourth proportional to 327,840.40, 491,760.60 and 323,174.80 is: 484,762.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,840.40 : 491,760.60 = 323,174.80 : x
  2. Step 2: Convert to fraction form
    327,840.40/491,760.60 = 323,174.80/x
  3. Step 3: Cross multiply
    327,840.40x = 491,760.60 × 323,174.80
  4. Step 4: Simplify right side
    327,840.40x = 158,924,633,552.88
  5. Step 5: Solve for x
    x = 158,924,633,552.88/327,840.40
  6. Step 6: Final answer
    x = 484,762.20

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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.