Home / 547,792.03-755,938.89-306,076.60

Finding the Fourth Proportional to 547,792.03, 755,938.89 and 306,076.60

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Solution

The fourth proportional to 547,792.03, 755,938.89 and 306,076.60 is: 422,377.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,792.03 : 755,938.89 = 306,076.60 : x
  2. Step 2: Convert to fraction form
    547,792.03/755,938.89 = 306,076.60/x
  3. Step 3: Cross multiply
    547,792.03x = 755,938.89 × 306,076.60
  4. Step 4: Simplify right side
    547,792.03x = 231,375,205,258.97
  5. Step 5: Solve for x
    x = 231,375,205,258.97/547,792.03
  6. Step 6: Final answer
    x = 422,377.82

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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.