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Finding the Fourth Proportional to 445,812.60, 668,718.90 and 296,254.20

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Solution

The fourth proportional to 445,812.60, 668,718.90 and 296,254.20 is: 444,381.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,812.60 : 668,718.90 = 296,254.20 : x
  2. Step 2: Convert to fraction form
    445,812.60/668,718.90 = 296,254.20/x
  3. Step 3: Cross multiply
    445,812.60x = 668,718.90 × 296,254.20
  4. Step 4: Simplify right side
    445,812.60x = 198,110,782,744.38
  5. Step 5: Solve for x
    x = 198,110,782,744.38/445,812.60
  6. Step 6: Final answer
    x = 444,381.30

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