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Finding the Fourth Proportional to 576,066.40, 864,099.60 and 398,773.60

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Solution

The fourth proportional to 576,066.40, 864,099.60 and 398,773.60 is: 598,160.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,066.40 : 864,099.60 = 398,773.60 : x
  2. Step 2: Convert to fraction form
    576,066.40/864,099.60 = 398,773.60/x
  3. Step 3: Cross multiply
    576,066.40x = 864,099.60 × 398,773.60
  4. Step 4: Simplify right side
    576,066.40x = 344,580,108,250.56
  5. Step 5: Solve for x
    x = 344,580,108,250.56/576,066.40
  6. Step 6: Final answer
    x = 598,160.40

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