Home / 801,642.16-1,106,226.76-439,067.60

Finding the Fourth Proportional to 801,642.16, 1,106,226.76 and 439,067.60

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Solution

The fourth proportional to 801,642.16, 1,106,226.76 and 439,067.60 is: 605,891.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,642.16 : 1,106,226.76 = 439,067.60 : x
  2. Step 2: Convert to fraction form
    801,642.16/1,106,226.76 = 439,067.60/x
  3. Step 3: Cross multiply
    801,642.16x = 1,106,226.76 × 439,067.60
  4. Step 4: Simplify right side
    801,642.16x = 485,708,328,568.98
  5. Step 5: Solve for x
    x = 485,708,328,568.98/801,642.16
  6. Step 6: Final answer
    x = 605,891.70

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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.