Home / 681,725.31-1,022,586.26-201,990.46

Finding the Fourth Proportional to 681,725.31, 1,022,586.26 and 201,990.46

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Solution

The fourth proportional to 681,725.31, 1,022,586.26 and 201,990.46 is: 302,985.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,725.31 : 1,022,586.26 = 201,990.46 : x
  2. Step 2: Convert to fraction form
    681,725.31/1,022,586.26 = 201,990.46/x
  3. Step 3: Cross multiply
    681,725.31x = 1,022,586.26 × 201,990.46
  4. Step 4: Simplify right side
    681,725.31x = 206,552,667,398.01
  5. Step 5: Solve for x
    x = 206,552,667,398.01/681,725.31
  6. Step 6: Final answer
    x = 302,985.18

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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.