Home / 791,590.44-1,187,270.82-259,132.56

Finding the Fourth Proportional to 791,590.44, 1,187,270.82 and 259,132.56

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Solution

The fourth proportional to 791,590.44, 1,187,270.82 and 259,132.56 is: 388,661.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,590.44 : 1,187,270.82 = 259,132.56 : x
  2. Step 2: Convert to fraction form
    791,590.44/1,187,270.82 = 259,132.56/x
  3. Step 3: Cross multiply
    791,590.44x = 1,187,270.82 × 259,132.56
  4. Step 4: Simplify right side
    791,590.44x = 307,660,526,999.90
  5. Step 5: Solve for x
    x = 307,660,526,999.90/791,590.44
  6. Step 6: Final answer
    x = 388,661.25

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1.5x scale

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.