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Finding the Fourth Proportional to 325,812.10, 488,718.15 and 213,546.10

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Solution

The fourth proportional to 325,812.10, 488,718.15 and 213,546.10 is: 320,319.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,812.10 : 488,718.15 = 213,546.10 : x
  2. Step 2: Convert to fraction form
    325,812.10/488,718.15 = 213,546.10/x
  3. Step 3: Cross multiply
    325,812.10x = 488,718.15 × 213,546.10
  4. Step 4: Simplify right side
    325,812.10x = 104,363,854,931.72
  5. Step 5: Solve for x
    x = 104,363,854,931.72/325,812.10
  6. Step 6: Final answer
    x = 320,319.15

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