Home / 817,907.09-1,226,876.97-218,867.27

Finding the Fourth Proportional to 817,907.09, 1,226,876.97 and 218,867.27

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Solution

The fourth proportional to 817,907.09, 1,226,876.97 and 218,867.27 is: 328,305.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,907.09 : 1,226,876.97 = 218,867.27 : x
  2. Step 2: Convert to fraction form
    817,907.09/1,226,876.97 = 218,867.27/x
  3. Step 3: Cross multiply
    817,907.09x = 1,226,876.97 × 218,867.27
  4. Step 4: Simplify right side
    817,907.09x = 268,523,213,049.77
  5. Step 5: Solve for x
    x = 268,523,213,049.77/817,907.09
  6. Step 6: Final answer
    x = 328,305.28

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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.