Home / 809,627.20-1,214,440.80-336,068.80

Finding the Fourth Proportional to 809,627.20, 1,214,440.80 and 336,068.80

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Solution

The fourth proportional to 809,627.20, 1,214,440.80 and 336,068.80 is: 504,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,627.20 : 1,214,440.80 = 336,068.80 : x
  2. Step 2: Convert to fraction form
    809,627.20/1,214,440.80 = 336,068.80/x
  3. Step 3: Cross multiply
    809,627.20x = 1,214,440.80 × 336,068.80
  4. Step 4: Simplify right side
    809,627.20x = 408,135,662,327.04
  5. Step 5: Solve for x
    x = 408,135,662,327.04/809,627.20
  6. Step 6: Final answer
    x = 504,103.20

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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.