Home / 804,286.73-1,206,429.32-205,247.90

Finding the Fourth Proportional to 804,286.73, 1,206,429.32 and 205,247.90

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Solution

The fourth proportional to 804,286.73, 1,206,429.32 and 205,247.90 is: 307,871.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,286.73 : 1,206,429.32 = 205,247.90 : x
  2. Step 2: Convert to fraction form
    804,286.73/1,206,429.32 = 205,247.90/x
  3. Step 3: Cross multiply
    804,286.73x = 1,206,429.32 × 205,247.90
  4. Step 4: Simplify right side
    804,286.73x = 247,617,087,957.62
  5. Step 5: Solve for x
    x = 247,617,087,957.62/804,286.73
  6. Step 6: Final answer
    x = 307,871.66

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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.