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Finding the Fourth Proportional to 410,892.80, 616,339.20 and 210,934.40

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Solution

The fourth proportional to 410,892.80, 616,339.20 and 210,934.40 is: 316,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,892.80 : 616,339.20 = 210,934.40 : x
  2. Step 2: Convert to fraction form
    410,892.80/616,339.20 = 210,934.40/x
  3. Step 3: Cross multiply
    410,892.80x = 616,339.20 × 210,934.40
  4. Step 4: Simplify right side
    410,892.80x = 130,007,139,348.48
  5. Step 5: Solve for x
    x = 130,007,139,348.48/410,892.80
  6. Step 6: Final answer
    x = 316,401.60

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