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Finding the Fourth Proportional to 529,626.40, 793,402.80 and 318,637.60

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Solution

The fourth proportional to 529,626.40, 793,402.80 and 318,637.60 is: 477,332.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,626.40 : 793,402.80 = 318,637.60 : x
  2. Step 2: Convert to fraction form
    529,626.40/793,402.80 = 318,637.60/x
  3. Step 3: Cross multiply
    529,626.40x = 793,402.80 × 318,637.60
  4. Step 4: Simplify right side
    529,626.40x = 252,807,964,025.28
  5. Step 5: Solve for x
    x = 252,807,964,025.28/529,626.40
  6. Step 6: Final answer
    x = 477,332.63

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