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Finding the Fourth Proportional to 432,069.80, 648,104.70 and 413,407.40

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Solution

The fourth proportional to 432,069.80, 648,104.70 and 413,407.40 is: 620,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,069.80 : 648,104.70 = 413,407.40 : x
  2. Step 2: Convert to fraction form
    432,069.80/648,104.70 = 413,407.40/x
  3. Step 3: Cross multiply
    432,069.80x = 648,104.70 × 413,407.40
  4. Step 4: Simplify right side
    432,069.80x = 267,931,278,954.78
  5. Step 5: Solve for x
    x = 267,931,278,954.78/432,069.80
  6. Step 6: Final answer
    x = 620,111.10

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