Home / 804,310.12-1,206,464.22-205,271.35

Finding the Fourth Proportional to 804,310.12, 1,206,464.22 and 205,271.35

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Solution

The fourth proportional to 804,310.12, 1,206,464.22 and 205,271.35 is: 307,906.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,310.12 : 1,206,464.22 = 205,271.35 : x
  2. Step 2: Convert to fraction form
    804,310.12/1,206,464.22 = 205,271.35/x
  3. Step 3: Cross multiply
    804,310.12x = 1,206,464.22 × 205,271.35
  4. Step 4: Simplify right side
    804,310.12x = 247,652,536,149.94
  5. Step 5: Solve for x
    x = 247,652,536,149.94/804,310.12
  6. Step 6: Final answer
    x = 307,906.78

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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.