Home / 817,039.91-1,225,559.97-218,003.29

Finding the Fourth Proportional to 817,039.91, 1,225,559.97 and 218,003.29

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Solution

The fourth proportional to 817,039.91, 1,225,559.97 and 218,003.29 is: 327,004.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,039.91 : 1,225,559.97 = 218,003.29 : x
  2. Step 2: Convert to fraction form
    817,039.91/1,225,559.97 = 218,003.29/x
  3. Step 3: Cross multiply
    817,039.91x = 1,225,559.97 × 218,003.29
  4. Step 4: Simplify right side
    817,039.91x = 267,176,106,266.74
  5. Step 5: Solve for x
    x = 267,176,106,266.74/817,039.91
  6. Step 6: Final answer
    x = 327,004.97

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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.