Home / 809,470.88-1,214,170.32-277,039.52

Finding the Fourth Proportional to 809,470.88, 1,214,170.32 and 277,039.52

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Solution

The fourth proportional to 809,470.88, 1,214,170.32 and 277,039.52 is: 415,546.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,470.88 : 1,214,170.32 = 277,039.52 : x
  2. Step 2: Convert to fraction form
    809,470.88/1,214,170.32 = 277,039.52/x
  3. Step 3: Cross multiply
    809,470.88x = 1,214,170.32 × 277,039.52
  4. Step 4: Simplify right side
    809,470.88x = 336,373,162,651.05
  5. Step 5: Solve for x
    x = 336,373,162,651.05/809,470.88
  6. Step 6: Final answer
    x = 415,546.96

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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.