Home / 754,356.50-1,040,757.20-427,634.48

Finding the Fourth Proportional to 754,356.50, 1,040,757.20 and 427,634.48

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Solution

The fourth proportional to 754,356.50, 1,040,757.20 and 427,634.48 is: 589,991.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,356.50 : 1,040,757.20 = 427,634.48 : x
  2. Step 2: Convert to fraction form
    754,356.50/1,040,757.20 = 427,634.48/x
  3. Step 3: Cross multiply
    754,356.50x = 1,040,757.20 × 427,634.48
  4. Step 4: Simplify right side
    754,356.50x = 445,063,664,028.26
  5. Step 5: Solve for x
    x = 445,063,664,028.26/754,356.50
  6. Step 6: Final answer
    x = 589,991.16

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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.