Home / 801,002.88-1,201,620.96-240,081.12

Finding the Fourth Proportional to 801,002.88, 1,201,620.96 and 240,081.12

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Solution

The fourth proportional to 801,002.88, 1,201,620.96 and 240,081.12 is: 360,156.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,002.88 : 1,201,620.96 = 240,081.12 : x
  2. Step 2: Convert to fraction form
    801,002.88/1,201,620.96 = 240,081.12/x
  3. Step 3: Cross multiply
    801,002.88x = 1,201,620.96 × 240,081.12
  4. Step 4: Simplify right side
    801,002.88x = 288,486,505,892.28
  5. Step 5: Solve for x
    x = 288,486,505,892.28/801,002.88
  6. Step 6: Final answer
    x = 360,156.64

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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.