Home / 839,927.70-1,259,891.55-605,481.30

Finding the Fourth Proportional to 839,927.70, 1,259,891.55 and 605,481.30

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Solution

The fourth proportional to 839,927.70, 1,259,891.55 and 605,481.30 is: 908,221.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,927.70 : 1,259,891.55 = 605,481.30 : x
  2. Step 2: Convert to fraction form
    839,927.70/1,259,891.55 = 605,481.30/x
  3. Step 3: Cross multiply
    839,927.70x = 1,259,891.55 × 605,481.30
  4. Step 4: Simplify right side
    839,927.70x = 762,840,773,553.02
  5. Step 5: Solve for x
    x = 762,840,773,553.02/839,927.70
  6. Step 6: Final answer
    x = 908,221.95

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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.