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Finding the Fourth Proportional to 488,708.80, 733,063.20 and 453,279.40

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Solution

The fourth proportional to 488,708.80, 733,063.20 and 453,279.40 is: 679,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,708.80 : 733,063.20 = 453,279.40 : x
  2. Step 2: Convert to fraction form
    488,708.80/733,063.20 = 453,279.40/x
  3. Step 3: Cross multiply
    488,708.80x = 733,063.20 × 453,279.40
  4. Step 4: Simplify right side
    488,708.80x = 332,282,447,458.08
  5. Step 5: Solve for x
    x = 332,282,447,458.08/488,708.80
  6. Step 6: Final answer
    x = 679,919.10

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