Home / 804,286.56-1,206,429.04-205,247.72

Finding the Fourth Proportional to 804,286.56, 1,206,429.04 and 205,247.72

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Solution

The fourth proportional to 804,286.56, 1,206,429.04 and 205,247.72 is: 307,871.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,286.56 : 1,206,429.04 = 205,247.72 : x
  2. Step 2: Convert to fraction form
    804,286.56/1,206,429.04 = 205,247.72/x
  3. Step 3: Cross multiply
    804,286.56x = 1,206,429.04 × 205,247.72
  4. Step 4: Simplify right side
    804,286.56x = 247,616,809,801.79
  5. Step 5: Solve for x
    x = 247,616,809,801.79/804,286.56
  6. Step 6: Final answer
    x = 307,871.38

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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.