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Finding the Fourth Proportional to 536,624.40, 804,936.60 and 287,792.40

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Solution

The fourth proportional to 536,624.40, 804,936.60 and 287,792.40 is: 431,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,624.40 : 804,936.60 = 287,792.40 : x
  2. Step 2: Convert to fraction form
    536,624.40/804,936.60 = 287,792.40/x
  3. Step 3: Cross multiply
    536,624.40x = 804,936.60 × 287,792.40
  4. Step 4: Simplify right side
    536,624.40x = 231,654,635,961.84
  5. Step 5: Solve for x
    x = 231,654,635,961.84/536,624.40
  6. Step 6: Final answer
    x = 431,688.60

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