Home / 836,449.92-1,253,969.55-362,778.51

Finding the Fourth Proportional to 836,449.92, 1,253,969.55 and 362,778.51

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Solution

The fourth proportional to 836,449.92, 1,253,969.55 and 362,778.51 is: 543,861.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,449.92 : 1,253,969.55 = 362,778.51 : x
  2. Step 2: Convert to fraction form
    836,449.92/1,253,969.55 = 362,778.51/x
  3. Step 3: Cross multiply
    836,449.92x = 1,253,969.55 × 362,778.51
  4. Step 4: Simplify right side
    836,449.92x = 454,913,204,934.37
  5. Step 5: Solve for x
    x = 454,913,204,934.37/836,449.92
  6. Step 6: Final answer
    x = 543,861.85

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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.