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Finding the Fourth Proportional to 576,553.60, 864,830.40 and 520,566.40

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Solution

The fourth proportional to 576,553.60, 864,830.40 and 520,566.40 is: 780,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,553.60 : 864,830.40 = 520,566.40 : x
  2. Step 2: Convert to fraction form
    576,553.60/864,830.40 = 520,566.40/x
  3. Step 3: Cross multiply
    576,553.60x = 864,830.40 × 520,566.40
  4. Step 4: Simplify right side
    576,553.60x = 450,201,647,938.56
  5. Step 5: Solve for x
    x = 450,201,647,938.56/576,553.60
  6. Step 6: Final answer
    x = 780,849.60

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