Home / 861,734.32-1,293,192.06-300,768.82

Finding the Fourth Proportional to 861,734.32, 1,293,192.06 and 300,768.82

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Solution

The fourth proportional to 861,734.32, 1,293,192.06 and 300,768.82 is: 451,359.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,734.32 : 1,293,192.06 = 300,768.82 : x
  2. Step 2: Convert to fraction form
    861,734.32/1,293,192.06 = 300,768.82/x
  3. Step 3: Cross multiply
    861,734.32x = 1,293,192.06 × 300,768.82
  4. Step 4: Simplify right side
    861,734.32x = 388,951,849,919.57
  5. Step 5: Solve for x
    x = 388,951,849,919.57/861,734.32
  6. Step 6: Final answer
    x = 451,359.36

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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.