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Finding the Fourth Proportional to 625,288.23, 863,195.27 and 418,911.98

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Solution

The fourth proportional to 625,288.23, 863,195.27 and 418,911.98 is: 578,297.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,288.23 : 863,195.27 = 418,911.98 : x
  2. Step 2: Convert to fraction form
    625,288.23/863,195.27 = 418,911.98/x
  3. Step 3: Cross multiply
    625,288.23x = 863,195.27 × 418,911.98
  4. Step 4: Simplify right side
    625,288.23x = 361,602,833,271.80
  5. Step 5: Solve for x
    x = 361,602,833,271.80/625,288.23
  6. Step 6: Final answer
    x = 578,297.84

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