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Finding the Fourth Proportional to 432,007.60, 647,233.80 and 352,692.40

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Solution

The fourth proportional to 432,007.60, 647,233.80 and 352,692.40 is: 528,403.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,007.60 : 647,233.80 = 352,692.40 : x
  2. Step 2: Convert to fraction form
    432,007.60/647,233.80 = 352,692.40/x
  3. Step 3: Cross multiply
    432,007.60x = 647,233.80 × 352,692.40
  4. Step 4: Simplify right side
    432,007.60x = 228,274,442,283.12
  5. Step 5: Solve for x
    x = 228,274,442,283.12/432,007.60
  6. Step 6: Final answer
    x = 528,403.76

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