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Finding the Fourth Proportional to 488,758.30, 733,793.55 and 312,048.70

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Solution

The fourth proportional to 488,758.30, 733,793.55 and 312,048.70 is: 468,491.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,758.30 : 733,793.55 = 312,048.70 : x
  2. Step 2: Convert to fraction form
    488,758.30/733,793.55 = 312,048.70/x
  3. Step 3: Cross multiply
    488,758.30x = 733,793.55 × 312,048.70
  4. Step 4: Simplify right side
    488,758.30x = 228,979,323,345.89
  5. Step 5: Solve for x
    x = 228,979,323,345.89/488,758.30
  6. Step 6: Final answer
    x = 468,491.94

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