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Finding the Fourth Proportional to 456,481.60, 684,722.40 and 297,851.20

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Solution

The fourth proportional to 456,481.60, 684,722.40 and 297,851.20 is: 446,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,481.60 : 684,722.40 = 297,851.20 : x
  2. Step 2: Convert to fraction form
    456,481.60/684,722.40 = 297,851.20/x
  3. Step 3: Cross multiply
    456,481.60x = 684,722.40 × 297,851.20
  4. Step 4: Simplify right side
    456,481.60x = 203,945,388,506.88
  5. Step 5: Solve for x
    x = 203,945,388,506.88/456,481.60
  6. Step 6: Final answer
    x = 446,776.80

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