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Finding the Fourth Proportional to 355,097.60, 532,646.40 and 299,110.40

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Solution

The fourth proportional to 355,097.60, 532,646.40 and 299,110.40 is: 448,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,097.60 : 532,646.40 = 299,110.40 : x
  2. Step 2: Convert to fraction form
    355,097.60/532,646.40 = 299,110.40/x
  3. Step 3: Cross multiply
    355,097.60x = 532,646.40 × 299,110.40
  4. Step 4: Simplify right side
    355,097.60x = 159,320,077,762.56
  5. Step 5: Solve for x
    x = 159,320,077,762.56/355,097.60
  6. Step 6: Final answer
    x = 448,665.60

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