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Finding the Fourth Proportional to 357,086.40, 535,629.60 and 351,837.60

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Solution

The fourth proportional to 357,086.40, 535,629.60 and 351,837.60 is: 527,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,086.40 : 535,629.60 = 351,837.60 : x
  2. Step 2: Convert to fraction form
    357,086.40/535,629.60 = 351,837.60/x
  3. Step 3: Cross multiply
    357,086.40x = 535,629.60 × 351,837.60
  4. Step 4: Simplify right side
    357,086.40x = 188,454,632,952.96
  5. Step 5: Solve for x
    x = 188,454,632,952.96/357,086.40
  6. Step 6: Final answer
    x = 527,756.40

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