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Finding the Fourth Proportional to 402,940.90, 604,203.27 and 118,594.45

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Solution

The fourth proportional to 402,940.90, 604,203.27 and 118,594.45 is: 177,830.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,940.90 : 604,203.27 = 118,594.45 : x
  2. Step 2: Convert to fraction form
    402,940.90/604,203.27 = 118,594.45/x
  3. Step 3: Cross multiply
    402,940.90x = 604,203.27 × 118,594.45
  4. Step 4: Simplify right side
    402,940.90x = 71,655,154,493.85
  5. Step 5: Solve for x
    x = 71,655,154,493.85/402,940.90
  6. Step 6: Final answer
    x = 177,830.43

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