Home / 547,654.97-755,736.86-305,889.41

Finding the Fourth Proportional to 547,654.97, 755,736.86 and 305,889.41

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Solution

The fourth proportional to 547,654.97, 755,736.86 and 305,889.41 is: 422,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,654.97 : 755,736.86 = 305,889.41 : x
  2. Step 2: Convert to fraction form
    547,654.97/755,736.86 = 305,889.41/x
  3. Step 3: Cross multiply
    547,654.97x = 755,736.86 × 305,889.41
  4. Step 4: Simplify right side
    547,654.97x = 231,171,899,206.69
  5. Step 5: Solve for x
    x = 231,171,899,206.69/547,654.97
  6. Step 6: Final answer
    x = 422,112.30

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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.