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Finding the Fourth Proportional to 488,441.80, 732,792.30 and 172,865.80

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Solution

The fourth proportional to 488,441.80, 732,792.30 and 172,865.80 is: 259,344.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,441.80 : 732,792.30 = 172,865.80 : x
  2. Step 2: Convert to fraction form
    488,441.80/732,792.30 = 172,865.80/x
  3. Step 3: Cross multiply
    488,441.80x = 732,792.30 × 172,865.80
  4. Step 4: Simplify right side
    488,441.80x = 126,674,727,173.34
  5. Step 5: Solve for x
    x = 126,674,727,173.34/488,441.80
  6. Step 6: Final answer
    x = 259,344.57

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