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Finding the Fourth Proportional to 354,042.40, 532,100.40 and 308,423.20

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Solution

The fourth proportional to 354,042.40, 532,100.40 and 308,423.20 is: 463,538.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,042.40 : 532,100.40 = 308,423.20 : x
  2. Step 2: Convert to fraction form
    354,042.40/532,100.40 = 308,423.20/x
  3. Step 3: Cross multiply
    354,042.40x = 532,100.40 × 308,423.20
  4. Step 4: Simplify right side
    354,042.40x = 164,112,108,089.28
  5. Step 5: Solve for x
    x = 164,112,108,089.28/354,042.40
  6. Step 6: Final answer
    x = 463,538.01

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