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Finding the Fourth Proportional to 454,963.60, 682,445.40 and 449,058.70

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Solution

The fourth proportional to 454,963.60, 682,445.40 and 449,058.70 is: 673,588.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,963.60 : 682,445.40 = 449,058.70 : x
  2. Step 2: Convert to fraction form
    454,963.60/682,445.40 = 449,058.70/x
  3. Step 3: Cross multiply
    454,963.60x = 682,445.40 × 449,058.70
  4. Step 4: Simplify right side
    454,963.60x = 306,458,044,144.98
  5. Step 5: Solve for x
    x = 306,458,044,144.98/454,963.60
  6. Step 6: Final answer
    x = 673,588.05

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