Home / 498,014.87-747,020.68-298,395.23

Finding the Fourth Proportional to 498,014.87, 747,020.68 and 298,395.23

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Solution

The fourth proportional to 498,014.87, 747,020.68 and 298,395.23 is: 447,591.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,014.87 : 747,020.68 = 298,395.23 : x
  2. Step 2: Convert to fraction form
    498,014.87/747,020.68 = 298,395.23/x
  3. Step 3: Cross multiply
    498,014.87x = 747,020.68 × 298,395.23
  4. Step 4: Simplify right side
    498,014.87x = 222,907,403,142.27
  5. Step 5: Solve for x
    x = 222,907,403,142.27/498,014.87
  6. Step 6: Final answer
    x = 447,591.87

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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.