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Finding the Fourth Proportional to 445,562.40, 668,343.60 and 424,826.40

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Solution

The fourth proportional to 445,562.40, 668,343.60 and 424,826.40 is: 637,239.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,562.40 : 668,343.60 = 424,826.40 : x
  2. Step 2: Convert to fraction form
    445,562.40/668,343.60 = 424,826.40/x
  3. Step 3: Cross multiply
    445,562.40x = 668,343.60 × 424,826.40
  4. Step 4: Simplify right side
    445,562.40x = 283,930,005,551.04
  5. Step 5: Solve for x
    x = 283,930,005,551.04/445,562.40
  6. Step 6: Final answer
    x = 637,239.60

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