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Finding the Fourth Proportional to 453,447.20, 680,170.80 and 383,463.20

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Solution

The fourth proportional to 453,447.20, 680,170.80 and 383,463.20 is: 575,194.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,447.20 : 680,170.80 = 383,463.20 : x
  2. Step 2: Convert to fraction form
    453,447.20/680,170.80 = 383,463.20/x
  3. Step 3: Cross multiply
    453,447.20x = 680,170.80 × 383,463.20
  4. Step 4: Simplify right side
    453,447.20x = 260,820,471,514.56
  5. Step 5: Solve for x
    x = 260,820,471,514.56/453,447.20
  6. Step 6: Final answer
    x = 575,194.80

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