Home / 804,290.04-1,206,434.39-205,251.30

Finding the Fourth Proportional to 804,290.04, 1,206,434.39 and 205,251.30

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Solution

The fourth proportional to 804,290.04, 1,206,434.39 and 205,251.30 is: 307,876.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,290.04 : 1,206,434.39 = 205,251.30 : x
  2. Step 2: Convert to fraction form
    804,290.04/1,206,434.39 = 205,251.30/x
  3. Step 3: Cross multiply
    804,290.04x = 1,206,434.39 × 205,251.30
  4. Step 4: Simplify right side
    804,290.04x = 247,622,225,885.95
  5. Step 5: Solve for x
    x = 247,622,225,885.95/804,290.04
  6. Step 6: Final answer
    x = 307,876.78

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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.