Home / 639,942.33-959,738.52-240,552.39

Finding the Fourth Proportional to 639,942.33, 959,738.52 and 240,552.39

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Solution

The fourth proportional to 639,942.33, 959,738.52 and 240,552.39 is: 360,762.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,942.33 : 959,738.52 = 240,552.39 : x
  2. Step 2: Convert to fraction form
    639,942.33/959,738.52 = 240,552.39/x
  3. Step 3: Cross multiply
    639,942.33x = 959,738.52 × 240,552.39
  4. Step 4: Simplify right side
    639,942.33x = 230,867,394,761.06
  5. Step 5: Solve for x
    x = 230,867,394,761.06/639,942.33
  6. Step 6: Final answer
    x = 360,762.81

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1.5x scale

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.