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Finding the Fourth Proportional to 465,682.80, 698,524.20 and 212,962.80

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Solution

The fourth proportional to 465,682.80, 698,524.20 and 212,962.80 is: 319,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,682.80 : 698,524.20 = 212,962.80 : x
  2. Step 2: Convert to fraction form
    465,682.80/698,524.20 = 212,962.80/x
  3. Step 3: Cross multiply
    465,682.80x = 698,524.20 × 212,962.80
  4. Step 4: Simplify right side
    465,682.80x = 148,759,669,499.76
  5. Step 5: Solve for x
    x = 148,759,669,499.76/465,682.80
  6. Step 6: Final answer
    x = 319,444.20

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