Home / 521,831.20-783,076.20-222,311.92

Finding the Fourth Proportional to 521,831.20, 783,076.20 and 222,311.92

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Solution

The fourth proportional to 521,831.20, 783,076.20 and 222,311.92 is: 333,608.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,831.20 : 783,076.20 = 222,311.92 : x
  2. Step 2: Convert to fraction form
    521,831.20/783,076.20 = 222,311.92/x
  3. Step 3: Cross multiply
    521,831.20x = 783,076.20 × 222,311.92
  4. Step 4: Simplify right side
    521,831.20x = 174,087,173,528.30
  5. Step 5: Solve for x
    x = 174,087,173,528.30/521,831.20
  6. Step 6: Final answer
    x = 333,608.21

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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.