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Finding the Fourth Proportional to 384,114.80, 576,172.20 and 364,431.80

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Solution

The fourth proportional to 384,114.80, 576,172.20 and 364,431.80 is: 546,647.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,114.80 : 576,172.20 = 364,431.80 : x
  2. Step 2: Convert to fraction form
    384,114.80/576,172.20 = 364,431.80/x
  3. Step 3: Cross multiply
    384,114.80x = 576,172.20 × 364,431.80
  4. Step 4: Simplify right side
    384,114.80x = 209,975,471,955.96
  5. Step 5: Solve for x
    x = 209,975,471,955.96/384,114.80
  6. Step 6: Final answer
    x = 546,647.70

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