Home / 905,947.88-1,358,922.11-266,251.59

Finding the Fourth Proportional to 905,947.88, 1,358,922.11 and 266,251.59

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Solution

The fourth proportional to 905,947.88, 1,358,922.11 and 266,251.59 is: 399,377.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,947.88 : 1,358,922.11 = 266,251.59 : x
  2. Step 2: Convert to fraction form
    905,947.88/1,358,922.11 = 266,251.59/x
  3. Step 3: Cross multiply
    905,947.88x = 1,358,922.11 × 266,251.59
  4. Step 4: Simplify right side
    905,947.88x = 361,815,171,142.40
  5. Step 5: Solve for x
    x = 361,815,171,142.40/905,947.88
  6. Step 6: Final answer
    x = 399,377.47

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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.