Home / 758,419.14-1,137,632.97-252,978.75

Finding the Fourth Proportional to 758,419.14, 1,137,632.97 and 252,978.75

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Solution

The fourth proportional to 758,419.14, 1,137,632.97 and 252,978.75 is: 379,469.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,419.14 : 1,137,632.97 = 252,978.75 : x
  2. Step 2: Convert to fraction form
    758,419.14/1,137,632.97 = 252,978.75/x
  3. Step 3: Cross multiply
    758,419.14x = 1,137,632.97 × 252,978.75
  4. Step 4: Simplify right side
    758,419.14x = 287,796,966,709.39
  5. Step 5: Solve for x
    x = 287,796,966,709.39/758,419.14
  6. Step 6: Final answer
    x = 379,469.55

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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.