Home / 758,867-1,138,345.04-285,556.44

Finding the Fourth Proportional to 758,867, 1,138,345.04 and 285,556.44

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Solution

The fourth proportional to 758,867, 1,138,345.04 and 285,556.44 is: 428,351.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,867 : 1,138,345.04 = 285,556.44 : x
  2. Step 2: Convert to fraction form
    758,867/1,138,345.04 = 285,556.44/x
  3. Step 3: Cross multiply
    758,867x = 1,138,345.04 × 285,556.44
  4. Step 4: Simplify right side
    758,867x = 325,061,757,114.06
  5. Step 5: Solve for x
    x = 325,061,757,114.06/758,867
  6. Step 6: Final answer
    x = 428,351.42

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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.