Home / 492,098.20-738,147.30-403,451.80

Finding the Fourth Proportional to 492,098.20, 738,147.30 and 403,451.80

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Solution

The fourth proportional to 492,098.20, 738,147.30 and 403,451.80 is: 605,177.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,098.20 : 738,147.30 = 403,451.80 : x
  2. Step 2: Convert to fraction form
    492,098.20/738,147.30 = 403,451.80/x
  3. Step 3: Cross multiply
    492,098.20x = 738,147.30 × 403,451.80
  4. Step 4: Simplify right side
    492,098.20x = 297,806,856,850.14
  5. Step 5: Solve for x
    x = 297,806,856,850.14/492,098.20
  6. Step 6: Final answer
    x = 605,177.70

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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.