Home / 654,721.88-982,124.33-205,460.46

Finding the Fourth Proportional to 654,721.88, 982,124.33 and 205,460.46

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Solution

The fourth proportional to 654,721.88, 982,124.33 and 205,460.46 is: 308,203.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,721.88 : 982,124.33 = 205,460.46 : x
  2. Step 2: Convert to fraction form
    654,721.88/982,124.33 = 205,460.46/x
  3. Step 3: Cross multiply
    654,721.88x = 982,124.33 × 205,460.46
  4. Step 4: Simplify right side
    654,721.88x = 201,787,715,591.69
  5. Step 5: Solve for x
    x = 201,787,715,591.69/654,721.88
  6. Step 6: Final answer
    x = 308,203.72

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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.