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Finding the Fourth Proportional to 474,143.60, 711,215.40 and 314,711.30

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Solution

The fourth proportional to 474,143.60, 711,215.40 and 314,711.30 is: 472,066.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,143.60 : 711,215.40 = 314,711.30 : x
  2. Step 2: Convert to fraction form
    474,143.60/711,215.40 = 314,711.30/x
  3. Step 3: Cross multiply
    474,143.60x = 711,215.40 × 314,711.30
  4. Step 4: Simplify right side
    474,143.60x = 223,827,523,114.02
  5. Step 5: Solve for x
    x = 223,827,523,114.02/474,143.60
  6. Step 6: Final answer
    x = 472,066.95

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