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Finding the Fourth Proportional to 480,688.15, 721,103.96 and 177,059.17

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Solution

The fourth proportional to 480,688.15, 721,103.96 and 177,059.17 is: 265,615.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,688.15 : 721,103.96 = 177,059.17 : x
  2. Step 2: Convert to fraction form
    480,688.15/721,103.96 = 177,059.17/x
  3. Step 3: Cross multiply
    480,688.15x = 721,103.96 × 177,059.17
  4. Step 4: Simplify right side
    480,688.15x = 127,678,068,641.31
  5. Step 5: Solve for x
    x = 127,678,068,641.31/480,688.15
  6. Step 6: Final answer
    x = 265,615.18

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