Home / 654,717.71-982,118.07-205,456.31

Finding the Fourth Proportional to 654,717.71, 982,118.07 and 205,456.31

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Solution

The fourth proportional to 654,717.71, 982,118.07 and 205,456.31 is: 308,197.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,717.71 : 982,118.07 = 205,456.31 : x
  2. Step 2: Convert to fraction form
    654,717.71/982,118.07 = 205,456.31/x
  3. Step 3: Cross multiply
    654,717.71x = 982,118.07 × 205,456.31
  4. Step 4: Simplify right side
    654,717.71x = 201,782,349,735.93
  5. Step 5: Solve for x
    x = 201,782,349,735.93/654,717.71
  6. Step 6: Final answer
    x = 308,197.48

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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.