Home / 754,578.78-1,131,745.17-221,975.28

Finding the Fourth Proportional to 754,578.78, 1,131,745.17 and 221,975.28

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Solution

The fourth proportional to 754,578.78, 1,131,745.17 and 221,975.28 is: 332,926.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,578.78 : 1,131,745.17 = 221,975.28 : x
  2. Step 2: Convert to fraction form
    754,578.78/1,131,745.17 = 221,975.28/x
  3. Step 3: Cross multiply
    754,578.78x = 1,131,745.17 × 221,975.28
  4. Step 4: Simplify right side
    754,578.78x = 251,219,450,999.40
  5. Step 5: Solve for x
    x = 251,219,450,999.40/754,578.78
  6. Step 6: Final answer
    x = 332,926.74

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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.