Home / 859,991.82-1,289,987.96-252,780.23

Finding the Fourth Proportional to 859,991.82, 1,289,987.96 and 252,780.23

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Solution

The fourth proportional to 859,991.82, 1,289,987.96 and 252,780.23 is: 379,170.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,991.82 : 1,289,987.96 = 252,780.23 : x
  2. Step 2: Convert to fraction form
    859,991.82/1,289,987.96 = 252,780.23/x
  3. Step 3: Cross multiply
    859,991.82x = 1,289,987.96 × 252,780.23
  4. Step 4: Simplify right side
    859,991.82x = 326,083,453,226.03
  5. Step 5: Solve for x
    x = 326,083,453,226.03/859,991.82
  6. Step 6: Final answer
    x = 379,170.41

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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.