Home / 769,791.57-1,062,269.45-425,607.60

Finding the Fourth Proportional to 769,791.57, 1,062,269.45 and 425,607.60

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Solution

The fourth proportional to 769,791.57, 1,062,269.45 and 425,607.60 is: 587,314.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,791.57 : 1,062,269.45 = 425,607.60 : x
  2. Step 2: Convert to fraction form
    769,791.57/1,062,269.45 = 425,607.60/x
  3. Step 3: Cross multiply
    769,791.57x = 1,062,269.45 × 425,607.60
  4. Step 4: Simplify right side
    769,791.57x = 452,109,949,039.78
  5. Step 5: Solve for x
    x = 452,109,949,039.78/769,791.57
  6. Step 6: Final answer
    x = 587,314.76

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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.