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Finding the Fourth Proportional to 459,166.60, 687,389.10 and 341,360.20

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Solution

The fourth proportional to 459,166.60, 687,389.10 and 341,360.20 is: 511,028.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,166.60 : 687,389.10 = 341,360.20 : x
  2. Step 2: Convert to fraction form
    459,166.60/687,389.10 = 341,360.20/x
  3. Step 3: Cross multiply
    459,166.60x = 687,389.10 × 341,360.20
  4. Step 4: Simplify right side
    459,166.60x = 234,647,280,653.82
  5. Step 5: Solve for x
    x = 234,647,280,653.82/459,166.60
  6. Step 6: Final answer
    x = 511,028.63

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