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Finding the Fourth Proportional to 453,790.80, 680,686.20 and 453,790.80

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Solution

The fourth proportional to 453,790.80, 680,686.20 and 453,790.80 is: 680,686.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,790.80 : 680,686.20 = 453,790.80 : x
  2. Step 2: Convert to fraction form
    453,790.80/680,686.20 = 453,790.80/x
  3. Step 3: Cross multiply
    453,790.80x = 680,686.20 × 453,790.80
  4. Step 4: Simplify right side
    453,790.80x = 308,889,135,246.96
  5. Step 5: Solve for x
    x = 308,889,135,246.96/453,790.80
  6. Step 6: Final answer
    x = 680,686.20

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