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Finding the Fourth Proportional to 489,073.60, 733,829.10 and 236,256.40

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Solution

The fourth proportional to 489,073.60, 733,829.10 and 236,256.40 is: 354,490.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,073.60 : 733,829.10 = 236,256.40 : x
  2. Step 2: Convert to fraction form
    489,073.60/733,829.10 = 236,256.40/x
  3. Step 3: Cross multiply
    489,073.60x = 733,829.10 × 236,256.40
  4. Step 4: Simplify right side
    489,073.60x = 173,371,821,381.24
  5. Step 5: Solve for x
    x = 173,371,821,381.24/489,073.60
  6. Step 6: Final answer
    x = 354,490.25

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