Home / 905,968.50-1,250,204.69-498,067.38

Finding the Fourth Proportional to 905,968.50, 1,250,204.69 and 498,067.38

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Solution

The fourth proportional to 905,968.50, 1,250,204.69 and 498,067.38 is: 687,315.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,968.50 : 1,250,204.69 = 498,067.38 : x
  2. Step 2: Convert to fraction form
    905,968.50/1,250,204.69 = 498,067.38/x
  3. Step 3: Cross multiply
    905,968.50x = 1,250,204.69 × 498,067.38
  4. Step 4: Simplify right side
    905,968.50x = 622,686,171,921.68
  5. Step 5: Solve for x
    x = 622,686,171,921.68/905,968.50
  6. Step 6: Final answer
    x = 687,315.48

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1.5x scale

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.