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Finding the Fourth Proportional to 421,404.86, 581,576.70 and 240,175.19

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Solution

The fourth proportional to 421,404.86, 581,576.70 and 240,175.19 is: 331,463.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,404.86 : 581,576.70 = 240,175.19 : x
  2. Step 2: Convert to fraction form
    421,404.86/581,576.70 = 240,175.19/x
  3. Step 3: Cross multiply
    421,404.86x = 581,576.70 × 240,175.19
  4. Step 4: Simplify right side
    421,404.86x = 139,680,291,514.19
  5. Step 5: Solve for x
    x = 139,680,291,514.19/421,404.86
  6. Step 6: Final answer
    x = 331,463.41

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