Home / 925,604.82-1,388,874.51-419,843.43

Finding the Fourth Proportional to 925,604.82, 1,388,874.51 and 419,843.43

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Solution

The fourth proportional to 925,604.82, 1,388,874.51 and 419,843.43 is: 629,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,604.82 : 1,388,874.51 = 419,843.43 : x
  2. Step 2: Convert to fraction form
    925,604.82/1,388,874.51 = 419,843.43/x
  3. Step 3: Cross multiply
    925,604.82x = 1,388,874.51 × 419,843.43
  4. Step 4: Simplify right side
    925,604.82x = 583,109,838,117.97
  5. Step 5: Solve for x
    x = 583,109,838,117.97/925,604.82
  6. Step 6: Final answer
    x = 629,977.10

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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.