Home / 807,275.05-1,210,956.77-327,431.60

Finding the Fourth Proportional to 807,275.05, 1,210,956.77 and 327,431.60

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Solution

The fourth proportional to 807,275.05, 1,210,956.77 and 327,431.60 is: 491,165.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,275.05 : 1,210,956.77 = 327,431.60 : x
  2. Step 2: Convert to fraction form
    807,275.05/1,210,956.77 = 327,431.60/x
  3. Step 3: Cross multiply
    807,275.05x = 1,210,956.77 × 327,431.60
  4. Step 4: Simplify right side
    807,275.05x = 396,505,512,731.93
  5. Step 5: Solve for x
    x = 396,505,512,731.93/807,275.05
  6. Step 6: Final answer
    x = 491,165.33

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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.