Home / 861,734.82-1,293,192.81-300,769.32

Finding the Fourth Proportional to 861,734.82, 1,293,192.81 and 300,769.32

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Solution

The fourth proportional to 861,734.82, 1,293,192.81 and 300,769.32 is: 451,360.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,734.82 : 1,293,192.81 = 300,769.32 : x
  2. Step 2: Convert to fraction form
    861,734.82/1,293,192.81 = 300,769.32/x
  3. Step 3: Cross multiply
    861,734.82x = 1,293,192.81 × 300,769.32
  4. Step 4: Simplify right side
    861,734.82x = 388,952,722,092.59
  5. Step 5: Solve for x
    x = 388,952,722,092.59/861,734.82
  6. Step 6: Final answer
    x = 451,360.11

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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.