Home / 807,274.92-1,210,956.58-327,431.48

Finding the Fourth Proportional to 807,274.92, 1,210,956.58 and 327,431.48

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Solution

The fourth proportional to 807,274.92, 1,210,956.58 and 327,431.48 is: 491,165.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,274.92 : 1,210,956.58 = 327,431.48 : x
  2. Step 2: Convert to fraction form
    807,274.92/1,210,956.58 = 327,431.48/x
  3. Step 3: Cross multiply
    807,274.92x = 1,210,956.58 × 327,431.48
  4. Step 4: Simplify right side
    807,274.92x = 396,505,302,872.86
  5. Step 5: Solve for x
    x = 396,505,302,872.86/807,274.92
  6. Step 6: Final answer
    x = 491,165.14

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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.