Home / 769,325.36-1,061,690.22-425,183.60

Finding the Fourth Proportional to 769,325.36, 1,061,690.22 and 425,183.60

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Solution

The fourth proportional to 769,325.36, 1,061,690.22 and 425,183.60 is: 586,765.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,325.36 : 1,061,690.22 = 425,183.60 : x
  2. Step 2: Convert to fraction form
    769,325.36/1,061,690.22 = 425,183.60/x
  3. Step 3: Cross multiply
    769,325.36x = 1,061,690.22 × 425,183.60
  4. Step 4: Simplify right side
    769,325.36x = 451,413,272,478.62
  5. Step 5: Solve for x
    x = 451,413,272,478.62/769,325.36
  6. Step 6: Final answer
    x = 586,765.10

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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.