Home / 327,869.40-491,804.10-298,320.60

Finding the Fourth Proportional to 327,869.40, 491,804.10 and 298,320.60

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Solution

The fourth proportional to 327,869.40, 491,804.10 and 298,320.60 is: 447,480.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,869.40 : 491,804.10 = 298,320.60 : x
  2. Step 2: Convert to fraction form
    327,869.40/491,804.10 = 298,320.60/x
  3. Step 3: Cross multiply
    327,869.40x = 491,804.10 × 298,320.60
  4. Step 4: Simplify right side
    327,869.40x = 146,715,294,194.46
  5. Step 5: Solve for x
    x = 146,715,294,194.46/327,869.40
  6. Step 6: Final answer
    x = 447,480.90

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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.