Home / 741,137.85-1,111,772.41-208,663.49

Finding the Fourth Proportional to 741,137.85, 1,111,772.41 and 208,663.49

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Solution

The fourth proportional to 741,137.85, 1,111,772.41 and 208,663.49 is: 313,013.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,137.85 : 1,111,772.41 = 208,663.49 : x
  2. Step 2: Convert to fraction form
    741,137.85/1,111,772.41 = 208,663.49/x
  3. Step 3: Cross multiply
    741,137.85x = 1,111,772.41 × 208,663.49
  4. Step 4: Simplify right side
    741,137.85x = 231,986,305,597.45
  5. Step 5: Solve for x
    x = 231,986,305,597.45/741,137.85
  6. Step 6: Final answer
    x = 313,013.71

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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.