Home / 754,367.82-1,040,772.78-427,645.80

Finding the Fourth Proportional to 754,367.82, 1,040,772.78 and 427,645.80

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Solution

The fourth proportional to 754,367.82, 1,040,772.78 and 427,645.80 is: 590,006.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,367.82 : 1,040,772.78 = 427,645.80 : x
  2. Step 2: Convert to fraction form
    754,367.82/1,040,772.78 = 427,645.80/x
  3. Step 3: Cross multiply
    754,367.82x = 1,040,772.78 × 427,645.80
  4. Step 4: Simplify right side
    754,367.82x = 445,082,108,121.32
  5. Step 5: Solve for x
    x = 445,082,108,121.32/754,367.82
  6. Step 6: Final answer
    x = 590,006.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.