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Finding the Fourth Proportional to 452,990.80, 680,004.60 and 266,107.60

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Solution

The fourth proportional to 452,990.80, 680,004.60 and 266,107.60 is: 399,465.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,990.80 : 680,004.60 = 266,107.60 : x
  2. Step 2: Convert to fraction form
    452,990.80/680,004.60 = 266,107.60/x
  3. Step 3: Cross multiply
    452,990.80x = 680,004.60 × 266,107.60
  4. Step 4: Simplify right side
    452,990.80x = 180,954,392,094.96
  5. Step 5: Solve for x
    x = 180,954,392,094.96/452,990.80
  6. Step 6: Final answer
    x = 399,465.93

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