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Finding the Fourth Proportional to 474,192.61, 654,445.55 and 310,986.36

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Solution

The fourth proportional to 474,192.61, 654,445.55 and 310,986.36 is: 429,200.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,192.61 : 654,445.55 = 310,986.36 : x
  2. Step 2: Convert to fraction form
    474,192.61/654,445.55 = 310,986.36/x
  3. Step 3: Cross multiply
    474,192.61x = 654,445.55 × 310,986.36
  4. Step 4: Simplify right side
    474,192.61x = 203,523,640,190.16
  5. Step 5: Solve for x
    x = 203,523,640,190.16/474,192.61
  6. Step 6: Final answer
    x = 429,200.36

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