Home / 799,296.96-1,198,991.52-300,665.28

Finding the Fourth Proportional to 799,296.96, 1,198,991.52 and 300,665.28

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Solution

The fourth proportional to 799,296.96, 1,198,991.52 and 300,665.28 is: 451,015.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,296.96 : 1,198,991.52 = 300,665.28 : x
  2. Step 2: Convert to fraction form
    799,296.96/1,198,991.52 = 300,665.28/x
  3. Step 3: Cross multiply
    799,296.96x = 1,198,991.52 × 300,665.28
  4. Step 4: Simplify right side
    799,296.96x = 360,495,121,078.43
  5. Step 5: Solve for x
    x = 360,495,121,078.43/799,296.96
  6. Step 6: Final answer
    x = 451,015.25

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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.