Home / 769,963.28-1,062,556.05-425,781.32

Finding the Fourth Proportional to 769,963.28, 1,062,556.05 and 425,781.32

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Solution

The fourth proportional to 769,963.28, 1,062,556.05 and 425,781.32 is: 587,581.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,963.28 : 1,062,556.05 = 425,781.32 : x
  2. Step 2: Convert to fraction form
    769,963.28/1,062,556.05 = 425,781.32/x
  3. Step 3: Cross multiply
    769,963.28x = 1,062,556.05 × 425,781.32
  4. Step 4: Simplify right side
    769,963.28x = 452,416,512,230.21
  5. Step 5: Solve for x
    x = 452,416,512,230.21/769,963.28
  6. Step 6: Final answer
    x = 587,581.94

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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.