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Finding the Fourth Proportional to 382,470.40, 572,539.20 and 224,228.80

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Solution

The fourth proportional to 382,470.40, 572,539.20 and 224,228.80 is: 335,659.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,470.40 : 572,539.20 = 224,228.80 : x
  2. Step 2: Convert to fraction form
    382,470.40/572,539.20 = 224,228.80/x
  3. Step 3: Cross multiply
    382,470.40x = 572,539.20 × 224,228.80
  4. Step 4: Simplify right side
    382,470.40x = 128,379,777,768.96
  5. Step 5: Solve for x
    x = 128,379,777,768.96/382,470.40
  6. Step 6: Final answer
    x = 335,659.38

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