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Finding the Fourth Proportional to 402,450.40, 603,675.60 and 106,962.40

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Solution

The fourth proportional to 402,450.40, 603,675.60 and 106,962.40 is: 160,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,450.40 : 603,675.60 = 106,962.40 : x
  2. Step 2: Convert to fraction form
    402,450.40/603,675.60 = 106,962.40/x
  3. Step 3: Cross multiply
    402,450.40x = 603,675.60 × 106,962.40
  4. Step 4: Simplify right side
    402,450.40x = 64,570,590,997.44
  5. Step 5: Solve for x
    x = 64,570,590,997.44/402,450.40
  6. Step 6: Final answer
    x = 160,443.60

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