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Finding the Fourth Proportional to 457,031.80, 684,381.30 and 363,719.80

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Solution

The fourth proportional to 457,031.80, 684,381.30 and 363,719.80 is: 544,651.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,031.80 : 684,381.30 = 363,719.80 : x
  2. Step 2: Convert to fraction form
    457,031.80/684,381.30 = 363,719.80/x
  3. Step 3: Cross multiply
    457,031.80x = 684,381.30 × 363,719.80
  4. Step 4: Simplify right side
    457,031.80x = 248,923,029,559.74
  5. Step 5: Solve for x
    x = 248,923,029,559.74/457,031.80
  6. Step 6: Final answer
    x = 544,651.44

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