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Finding the Fourth Proportional to 358,935.40, 538,403.10 and 352,023.40

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Solution

The fourth proportional to 358,935.40, 538,403.10 and 352,023.40 is: 528,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,935.40 : 538,403.10 = 352,023.40 : x
  2. Step 2: Convert to fraction form
    358,935.40/538,403.10 = 352,023.40/x
  3. Step 3: Cross multiply
    358,935.40x = 538,403.10 × 352,023.40
  4. Step 4: Simplify right side
    358,935.40x = 189,530,489,832.54
  5. Step 5: Solve for x
    x = 189,530,489,832.54/358,935.40
  6. Step 6: Final answer
    x = 528,035.10

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