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Finding the Fourth Proportional to 450,518.88, 677,398.56 and 415,409.34

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Solution

The fourth proportional to 450,518.88, 677,398.56 and 415,409.34 is: 624,607.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,518.88 : 677,398.56 = 415,409.34 : x
  2. Step 2: Convert to fraction form
    450,518.88/677,398.56 = 415,409.34/x
  3. Step 3: Cross multiply
    450,518.88x = 677,398.56 × 415,409.34
  4. Step 4: Simplify right side
    450,518.88x = 281,397,688,726.55
  5. Step 5: Solve for x
    x = 281,397,688,726.55/450,518.88
  6. Step 6: Final answer
    x = 624,607.98

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