Home / 912,067.70-1,368,297.36-272,422.04

Finding the Fourth Proportional to 912,067.70, 1,368,297.36 and 272,422.04

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Solution

The fourth proportional to 912,067.70, 1,368,297.36 and 272,422.04 is: 408,691.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,067.70 : 1,368,297.36 = 272,422.04 : x
  2. Step 2: Convert to fraction form
    912,067.70/1,368,297.36 = 272,422.04/x
  3. Step 3: Cross multiply
    912,067.70x = 1,368,297.36 × 272,422.04
  4. Step 4: Simplify right side
    912,067.70x = 372,754,351,296.33
  5. Step 5: Solve for x
    x = 372,754,351,296.33/912,067.70
  6. Step 6: Final answer
    x = 408,691.54

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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.