Home / 685,253.97-1,027,877.72-457,067.25

Finding the Fourth Proportional to 685,253.97, 1,027,877.72 and 457,067.25

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Solution

The fourth proportional to 685,253.97, 1,027,877.72 and 457,067.25 is: 685,598.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,253.97 : 1,027,877.72 = 457,067.25 : x
  2. Step 2: Convert to fraction form
    685,253.97/1,027,877.72 = 457,067.25/x
  3. Step 3: Cross multiply
    685,253.97x = 1,027,877.72 × 457,067.25
  4. Step 4: Simplify right side
    685,253.97x = 469,809,240,531.33
  5. Step 5: Solve for x
    x = 469,809,240,531.33/685,253.97
  6. Step 6: Final answer
    x = 685,598.71

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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.