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Finding the Fourth Proportional to 382,563.40, 573,845.10 and 205,416.40

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Solution

The fourth proportional to 382,563.40, 573,845.10 and 205,416.40 is: 308,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,563.40 : 573,845.10 = 205,416.40 : x
  2. Step 2: Convert to fraction form
    382,563.40/573,845.10 = 205,416.40/x
  3. Step 3: Cross multiply
    382,563.40x = 573,845.10 × 205,416.40
  4. Step 4: Simplify right side
    382,563.40x = 117,877,194,599.64
  5. Step 5: Solve for x
    x = 117,877,194,599.64/382,563.40
  6. Step 6: Final answer
    x = 308,124.60

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