Home / 804,306.50-1,206,458.78-205,267.72

Finding the Fourth Proportional to 804,306.50, 1,206,458.78 and 205,267.72

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Solution

The fourth proportional to 804,306.50, 1,206,458.78 and 205,267.72 is: 307,901.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,306.50 : 1,206,458.78 = 205,267.72 : x
  2. Step 2: Convert to fraction form
    804,306.50/1,206,458.78 = 205,267.72/x
  3. Step 3: Cross multiply
    804,306.50x = 1,206,458.78 × 205,267.72
  4. Step 4: Simplify right side
    804,306.50x = 247,647,043,044.58
  5. Step 5: Solve for x
    x = 247,647,043,044.58/804,306.50
  6. Step 6: Final answer
    x = 307,901.33

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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.