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Finding the Fourth Proportional to 445,417.92, 668,024.64 and 265,554.24

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Solution

The fourth proportional to 445,417.92, 668,024.64 and 265,554.24 is: 398,270.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,417.92 : 668,024.64 = 265,554.24 : x
  2. Step 2: Convert to fraction form
    445,417.92/668,024.64 = 265,554.24/x
  3. Step 3: Cross multiply
    445,417.92x = 668,024.64 × 265,554.24
  4. Step 4: Simplify right side
    445,417.92x = 177,396,775,576.47
  5. Step 5: Solve for x
    x = 177,396,775,576.47/445,417.92
  6. Step 6: Final answer
    x = 398,270.41

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