Home / 961,636.71-1,441,180.92-511,388.08

Finding the Fourth Proportional to 961,636.71, 1,441,180.92 and 511,388.08

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Solution

The fourth proportional to 961,636.71, 1,441,180.92 and 511,388.08 is: 766,404.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,636.71 : 1,441,180.92 = 511,388.08 : x
  2. Step 2: Convert to fraction form
    961,636.71/1,441,180.92 = 511,388.08/x
  3. Step 3: Cross multiply
    961,636.71x = 1,441,180.92 × 511,388.08
  4. Step 4: Simplify right side
    961,636.71x = 737,002,743,611.43
  5. Step 5: Solve for x
    x = 737,002,743,611.43/961,636.71
  6. Step 6: Final answer
    x = 766,404.54

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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.