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Finding the Fourth Proportional to 413,510.40, 620,373.60 and 133,034.40

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Solution

The fourth proportional to 413,510.40, 620,373.60 and 133,034.40 is: 199,586.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,510.40 : 620,373.60 = 133,034.40 : x
  2. Step 2: Convert to fraction form
    413,510.40/620,373.60 = 133,034.40/x
  3. Step 3: Cross multiply
    413,510.40x = 620,373.60 × 133,034.40
  4. Step 4: Simplify right side
    413,510.40x = 82,531,029,651.84
  5. Step 5: Solve for x
    x = 82,531,029,651.84/413,510.40
  6. Step 6: Final answer
    x = 199,586.35

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