Home / 641,745.33-885,619.04-351,352.02

Finding the Fourth Proportional to 641,745.33, 885,619.04 and 351,352.02

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Solution

The fourth proportional to 641,745.33, 885,619.04 and 351,352.02 is: 484,871.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,745.33 : 885,619.04 = 351,352.02 : x
  2. Step 2: Convert to fraction form
    641,745.33/885,619.04 = 351,352.02/x
  3. Step 3: Cross multiply
    641,745.33x = 885,619.04 × 351,352.02
  4. Step 4: Simplify right side
    641,745.33x = 311,164,040,218.77
  5. Step 5: Solve for x
    x = 311,164,040,218.77/641,745.33
  6. Step 6: Final answer
    x = 484,871.53

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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.