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Finding the Fourth Proportional to 520,472.76, 718,243.04 and 294,113.40

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Solution

The fourth proportional to 520,472.76, 718,243.04 and 294,113.40 is: 405,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,472.76 : 718,243.04 = 294,113.40 : x
  2. Step 2: Convert to fraction form
    520,472.76/718,243.04 = 294,113.40/x
  3. Step 3: Cross multiply
    520,472.76x = 718,243.04 × 294,113.40
  4. Step 4: Simplify right side
    520,472.76x = 211,244,902,520.74
  5. Step 5: Solve for x
    x = 211,244,902,520.74/520,472.76
  6. Step 6: Final answer
    x = 405,871.20

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