Home / 801,240.60-1,201,277.70-327,682.20

Finding the Fourth Proportional to 801,240.60, 1,201,277.70 and 327,682.20

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Solution

The fourth proportional to 801,240.60, 1,201,277.70 and 327,682.20 is: 491,284.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,240.60 : 1,201,277.70 = 327,682.20 : x
  2. Step 2: Convert to fraction form
    801,240.60/1,201,277.70 = 327,682.20/x
  3. Step 3: Cross multiply
    801,240.60x = 1,201,277.70 × 327,682.20
  4. Step 4: Simplify right side
    801,240.60x = 393,637,319,546.94
  5. Step 5: Solve for x
    x = 393,637,319,546.94/801,240.60
  6. Step 6: Final answer
    x = 491,284.79

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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.