Home / 789,384.76-1,184,002.84-220,816.60

Finding the Fourth Proportional to 789,384.76, 1,184,002.84 and 220,816.60

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Solution

The fourth proportional to 789,384.76, 1,184,002.84 and 220,816.60 is: 331,204.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,384.76 : 1,184,002.84 = 220,816.60 : x
  2. Step 2: Convert to fraction form
    789,384.76/1,184,002.84 = 220,816.60/x
  3. Step 3: Cross multiply
    789,384.76x = 1,184,002.84 × 220,816.60
  4. Step 4: Simplify right side
    789,384.76x = 261,447,481,519.14
  5. Step 5: Solve for x
    x = 261,447,481,519.14/789,384.76
  6. Step 6: Final answer
    x = 331,204.12

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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.