Home / 791,610.34-1,187,489.44-222,990.49

Finding the Fourth Proportional to 791,610.34, 1,187,489.44 and 222,990.49

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Solution

The fourth proportional to 791,610.34, 1,187,489.44 and 222,990.49 is: 334,506.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,610.34 : 1,187,489.44 = 222,990.49 : x
  2. Step 2: Convert to fraction form
    791,610.34/1,187,489.44 = 222,990.49/x
  3. Step 3: Cross multiply
    791,610.34x = 1,187,489.44 × 222,990.49
  4. Step 4: Simplify right side
    791,610.34x = 264,798,856,571.18
  5. Step 5: Solve for x
    x = 264,798,856,571.18/791,610.34
  6. Step 6: Final answer
    x = 334,506.57

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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.