Home / 1,007,448.30-1,511,163.27-408,267

Finding the Fourth Proportional to 1,007,448.30, 1,511,163.27 and 408,267

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Solution

The fourth proportional to 1,007,448.30, 1,511,163.27 and 408,267 is: 612,396.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,448.30 : 1,511,163.27 = 408,267 : x
  2. Step 2: Convert to fraction form
    1,007,448.30/1,511,163.27 = 408,267/x
  3. Step 3: Cross multiply
    1,007,448.30x = 1,511,163.27 × 408,267
  4. Step 4: Simplify right side
    1,007,448.30x = 616,958,094,753.09
  5. Step 5: Solve for x
    x = 616,958,094,753.09/1,007,448.30
  6. Step 6: Final answer
    x = 612,396.78

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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.