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Finding the Fourth Proportional to 303,587.60, 455,381.40 and 294,839.60

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Solution

The fourth proportional to 303,587.60, 455,381.40 and 294,839.60 is: 442,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,587.60 : 455,381.40 = 294,839.60 : x
  2. Step 2: Convert to fraction form
    303,587.60/455,381.40 = 294,839.60/x
  3. Step 3: Cross multiply
    303,587.60x = 455,381.40 × 294,839.60
  4. Step 4: Simplify right side
    303,587.60x = 134,264,469,823.44
  5. Step 5: Solve for x
    x = 134,264,469,823.44/303,587.60
  6. Step 6: Final answer
    x = 442,259.40

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