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Finding the Fourth Proportional to 458,906.50, 633,290.97 and 257,702.50

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Solution

The fourth proportional to 458,906.50, 633,290.97 and 257,702.50 is: 355,629.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,906.50 : 633,290.97 = 257,702.50 : x
  2. Step 2: Convert to fraction form
    458,906.50/633,290.97 = 257,702.50/x
  3. Step 3: Cross multiply
    458,906.50x = 633,290.97 × 257,702.50
  4. Step 4: Simplify right side
    458,906.50x = 163,200,666,196.43
  5. Step 5: Solve for x
    x = 163,200,666,196.43/458,906.50
  6. Step 6: Final answer
    x = 355,629.45

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