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Finding the Fourth Proportional to 405,539.58, 559,636.71 and 224,257.98

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Solution

The fourth proportional to 405,539.58, 559,636.71 and 224,257.98 is: 309,471.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,539.58 : 559,636.71 = 224,257.98 : x
  2. Step 2: Convert to fraction form
    405,539.58/559,636.71 = 224,257.98/x
  3. Step 3: Cross multiply
    405,539.58x = 559,636.71 × 224,257.98
  4. Step 4: Simplify right side
    405,539.58x = 125,502,998,118.45
  5. Step 5: Solve for x
    x = 125,502,998,118.45/405,539.58
  6. Step 6: Final answer
    x = 309,471.64

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