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Finding the Fourth Proportional to 453,856.60, 680,784.90 and 205,024.60

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Solution

The fourth proportional to 453,856.60, 680,784.90 and 205,024.60 is: 307,536.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,856.60 : 680,784.90 = 205,024.60 : x
  2. Step 2: Convert to fraction form
    453,856.60/680,784.90 = 205,024.60/x
  3. Step 3: Cross multiply
    453,856.60x = 680,784.90 × 205,024.60
  4. Step 4: Simplify right side
    453,856.60x = 139,577,651,808.54
  5. Step 5: Solve for x
    x = 139,577,651,808.54/453,856.60
  6. Step 6: Final answer
    x = 307,536.90

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