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Finding the Fourth Proportional to 576,046.60, 864,069.90 and 543,387.40

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Solution

The fourth proportional to 576,046.60, 864,069.90 and 543,387.40 is: 815,081.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,046.60 : 864,069.90 = 543,387.40 : x
  2. Step 2: Convert to fraction form
    576,046.60/864,069.90 = 543,387.40/x
  3. Step 3: Cross multiply
    576,046.60x = 864,069.90 × 543,387.40
  4. Step 4: Simplify right side
    576,046.60x = 469,524,696,379.26
  5. Step 5: Solve for x
    x = 469,524,696,379.26/576,046.60
  6. Step 6: Final answer
    x = 815,081.10

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