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Finding the Fourth Proportional to 341,293.75, 511,542 and 256,782.40

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Solution

The fourth proportional to 341,293.75, 511,542 and 256,782.40 is: 384,873.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,293.75 : 511,542 = 256,782.40 : x
  2. Step 2: Convert to fraction form
    341,293.75/511,542 = 256,782.40/x
  3. Step 3: Cross multiply
    341,293.75x = 511,542 × 256,782.40
  4. Step 4: Simplify right side
    341,293.75x = 131,354,982,460.80
  5. Step 5: Solve for x
    x = 131,354,982,460.80/341,293.75
  6. Step 6: Final answer
    x = 384,873.68

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