Home / 654,725.13-982,129.20-205,463.71

Finding the Fourth Proportional to 654,725.13, 982,129.20 and 205,463.71

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Solution

The fourth proportional to 654,725.13, 982,129.20 and 205,463.71 is: 308,208.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,725.13 : 982,129.20 = 205,463.71 : x
  2. Step 2: Convert to fraction form
    654,725.13/982,129.20 = 205,463.71/x
  3. Step 3: Cross multiply
    654,725.13x = 982,129.20 × 205,463.71
  4. Step 4: Simplify right side
    654,725.13x = 201,791,909,131.33
  5. Step 5: Solve for x
    x = 201,791,909,131.33/654,725.13
  6. Step 6: Final answer
    x = 308,208.59

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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.