Home / 818,815-1,228,443.63-250,180.60

Finding the Fourth Proportional to 818,815, 1,228,443.63 and 250,180.60

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Solution

The fourth proportional to 818,815, 1,228,443.63 and 250,180.60 is: 375,338.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,815 : 1,228,443.63 = 250,180.60 : x
  2. Step 2: Convert to fraction form
    818,815/1,228,443.63 = 250,180.60/x
  3. Step 3: Cross multiply
    818,815x = 1,228,443.63 × 250,180.60
  4. Step 4: Simplify right side
    818,815x = 307,332,764,419.58
  5. Step 5: Solve for x
    x = 307,332,764,419.58/818,815
  6. Step 6: Final answer
    x = 375,338.46

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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.