Home / 809,433.60-1,214,296.20-336,166.80

Finding the Fourth Proportional to 809,433.60, 1,214,296.20 and 336,166.80

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Solution

The fourth proportional to 809,433.60, 1,214,296.20 and 336,166.80 is: 504,310.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,433.60 : 1,214,296.20 = 336,166.80 : x
  2. Step 2: Convert to fraction form
    809,433.60/1,214,296.20 = 336,166.80/x
  3. Step 3: Cross multiply
    809,433.60x = 1,214,296.20 × 336,166.80
  4. Step 4: Simplify right side
    809,433.60x = 408,206,067,806.16
  5. Step 5: Solve for x
    x = 408,206,067,806.16/809,433.60
  6. Step 6: Final answer
    x = 504,310.75

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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.