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Finding the Fourth Proportional to 561,624.91, 775,042.76 and 306,976.10

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Solution

The fourth proportional to 561,624.91, 775,042.76 and 306,976.10 is: 423,627.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,624.91 : 775,042.76 = 306,976.10 : x
  2. Step 2: Convert to fraction form
    561,624.91/775,042.76 = 306,976.10/x
  3. Step 3: Cross multiply
    561,624.91x = 775,042.76 × 306,976.10
  4. Step 4: Simplify right side
    561,624.91x = 237,919,600,690.26
  5. Step 5: Solve for x
    x = 237,919,600,690.26/561,624.91
  6. Step 6: Final answer
    x = 423,627.22

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