Home / 804,419.44-1,206,628.10-205,380.70

Finding the Fourth Proportional to 804,419.44, 1,206,628.10 and 205,380.70

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Solution

The fourth proportional to 804,419.44, 1,206,628.10 and 205,380.70 is: 308,070.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,419.44 : 1,206,628.10 = 205,380.70 : x
  2. Step 2: Convert to fraction form
    804,419.44/1,206,628.10 = 205,380.70/x
  3. Step 3: Cross multiply
    804,419.44x = 1,206,628.10 × 205,380.70
  4. Step 4: Simplify right side
    804,419.44x = 247,818,123,817.67
  5. Step 5: Solve for x
    x = 247,818,123,817.67/804,419.44
  6. Step 6: Final answer
    x = 308,070.78

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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.