Home / 817,819.54-1,226,632.41-218,826.97

Finding the Fourth Proportional to 817,819.54, 1,226,632.41 and 218,826.97

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Solution

The fourth proportional to 817,819.54, 1,226,632.41 and 218,826.97 is: 328,214.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,819.54 : 1,226,632.41 = 218,826.97 : x
  2. Step 2: Convert to fraction form
    817,819.54/1,226,632.41 = 218,826.97/x
  3. Step 3: Cross multiply
    817,819.54x = 1,226,632.41 × 218,826.97
  4. Step 4: Simplify right side
    817,819.54x = 268,420,250,517.52
  5. Step 5: Solve for x
    x = 268,420,250,517.52/817,819.54
  6. Step 6: Final answer
    x = 328,214.52

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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.