Home / 789,720.78-1,184,304-220,949.04

Finding the Fourth Proportional to 789,720.78, 1,184,304 and 220,949.04

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Solution

The fourth proportional to 789,720.78, 1,184,304 and 220,949.04 is: 331,346.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,720.78 : 1,184,304 = 220,949.04 : x
  2. Step 2: Convert to fraction form
    789,720.78/1,184,304 = 220,949.04/x
  3. Step 3: Cross multiply
    789,720.78x = 1,184,304 × 220,949.04
  4. Step 4: Simplify right side
    789,720.78x = 261,670,831,868.16
  5. Step 5: Solve for x
    x = 261,670,831,868.16/789,720.78
  6. Step 6: Final answer
    x = 331,346.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.