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Finding the Fourth Proportional to 432,862.60, 649,293.90 and 327,886.60

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Solution

The fourth proportional to 432,862.60, 649,293.90 and 327,886.60 is: 491,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,862.60 : 649,293.90 = 327,886.60 : x
  2. Step 2: Convert to fraction form
    432,862.60/649,293.90 = 327,886.60/x
  3. Step 3: Cross multiply
    432,862.60x = 649,293.90 × 327,886.60
  4. Step 4: Simplify right side
    432,862.60x = 212,894,769,271.74
  5. Step 5: Solve for x
    x = 212,894,769,271.74/432,862.60
  6. Step 6: Final answer
    x = 491,829.90

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