Home / 948,171.38-1,422,258.43-387,205.88

Finding the Fourth Proportional to 948,171.38, 1,422,258.43 and 387,205.88

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Solution

The fourth proportional to 948,171.38, 1,422,258.43 and 387,205.88 is: 580,809.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,171.38 : 1,422,258.43 = 387,205.88 : x
  2. Step 2: Convert to fraction form
    948,171.38/1,422,258.43 = 387,205.88/x
  3. Step 3: Cross multiply
    948,171.38x = 1,422,258.43 × 387,205.88
  4. Step 4: Simplify right side
    948,171.38x = 550,706,820,348.28
  5. Step 5: Solve for x
    x = 550,706,820,348.28/948,171.38
  6. Step 6: Final answer
    x = 580,809.37

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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.