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Finding the Fourth Proportional to 413,502.80, 620,254.20 and 133,048.40

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Solution

The fourth proportional to 413,502.80, 620,254.20 and 133,048.40 is: 199,572.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,502.80 : 620,254.20 = 133,048.40 : x
  2. Step 2: Convert to fraction form
    413,502.80/620,254.20 = 133,048.40/x
  3. Step 3: Cross multiply
    413,502.80x = 620,254.20 × 133,048.40
  4. Step 4: Simplify right side
    413,502.80x = 82,523,828,903.28
  5. Step 5: Solve for x
    x = 82,523,828,903.28/413,502.80
  6. Step 6: Final answer
    x = 199,572.60

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