Home / 791,871.57-1,187,795-192,831.71

Finding the Fourth Proportional to 791,871.57, 1,187,795 and 192,831.71

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Solution

The fourth proportional to 791,871.57, 1,187,795 and 192,831.71 is: 289,244.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,871.57 : 1,187,795 = 192,831.71 : x
  2. Step 2: Convert to fraction form
    791,871.57/1,187,795 = 192,831.71/x
  3. Step 3: Cross multiply
    791,871.57x = 1,187,795 × 192,831.71
  4. Step 4: Simplify right side
    791,871.57x = 229,044,540,979.45
  5. Step 5: Solve for x
    x = 229,044,540,979.45/791,871.57
  6. Step 6: Final answer
    x = 289,244.56

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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.