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Finding the Fourth Proportional to 432,938.40, 648,423.45 and 273,506.10

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Solution

The fourth proportional to 432,938.40, 648,423.45 and 273,506.10 is: 409,637.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,938.40 : 648,423.45 = 273,506.10 : x
  2. Step 2: Convert to fraction form
    432,938.40/648,423.45 = 273,506.10/x
  3. Step 3: Cross multiply
    432,938.40x = 648,423.45 × 273,506.10
  4. Step 4: Simplify right side
    432,938.40x = 177,347,768,958.05
  5. Step 5: Solve for x
    x = 177,347,768,958.05/432,938.40
  6. Step 6: Final answer
    x = 409,637.42

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