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Finding the Fourth Proportional to 335,959.20, 503,938.80 and 310,298.40

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Solution

The fourth proportional to 335,959.20, 503,938.80 and 310,298.40 is: 465,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,959.20 : 503,938.80 = 310,298.40 : x
  2. Step 2: Convert to fraction form
    335,959.20/503,938.80 = 310,298.40/x
  3. Step 3: Cross multiply
    335,959.20x = 503,938.80 × 310,298.40
  4. Step 4: Simplify right side
    335,959.20x = 156,371,403,337.92
  5. Step 5: Solve for x
    x = 156,371,403,337.92/335,959.20
  6. Step 6: Final answer
    x = 465,447.60

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