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Finding the Fourth Proportional to 800,967.60, 1,202,617.80 and 486,039.60

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Solution

The fourth proportional to 800,967.60, 1,202,617.80 and 486,039.60 is: 729,767.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,967.60 : 1,202,617.80 = 486,039.60 : x
  2. Step 2: Convert to fraction form
    800,967.60/1,202,617.80 = 486,039.60/x
  3. Step 3: Cross multiply
    800,967.60x = 1,202,617.80 × 486,039.60
  4. Step 4: Simplify right side
    800,967.60x = 584,519,874,464.88
  5. Step 5: Solve for x
    x = 584,519,874,464.88/800,967.60
  6. Step 6: Final answer
    x = 729,767.19

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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.