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Finding the Fourth Proportional to 354,575.76, 531,081.72 and 293,087.76

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Solution

The fourth proportional to 354,575.76, 531,081.72 and 293,087.76 is: 438,985.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,575.76 : 531,081.72 = 293,087.76 : x
  2. Step 2: Convert to fraction form
    354,575.76/531,081.72 = 293,087.76/x
  3. Step 3: Cross multiply
    354,575.76x = 531,081.72 × 293,087.76
  4. Step 4: Simplify right side
    354,575.76x = 155,653,551,691.75
  5. Step 5: Solve for x
    x = 155,653,551,691.75/354,575.76
  6. Step 6: Final answer
    x = 438,985.31

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