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Finding the Fourth Proportional to 577,071.10, 865,606.65 and 311,350.60

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Solution

The fourth proportional to 577,071.10, 865,606.65 and 311,350.60 is: 467,025.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,071.10 : 865,606.65 = 311,350.60 : x
  2. Step 2: Convert to fraction form
    577,071.10/865,606.65 = 311,350.60/x
  3. Step 3: Cross multiply
    577,071.10x = 865,606.65 × 311,350.60
  4. Step 4: Simplify right side
    577,071.10x = 269,507,149,841.49
  5. Step 5: Solve for x
    x = 269,507,149,841.49/577,071.10
  6. Step 6: Final answer
    x = 467,025.90

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