Home / 805,204.55-1,209,405.23-481,616.03

Finding the Fourth Proportional to 805,204.55, 1,209,405.23 and 481,616.03

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Solution

The fourth proportional to 805,204.55, 1,209,405.23 and 481,616.03 is: 723,380.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,204.55 : 1,209,405.23 = 481,616.03 : x
  2. Step 2: Convert to fraction form
    805,204.55/1,209,405.23 = 481,616.03/x
  3. Step 3: Cross multiply
    805,204.55x = 1,209,405.23 × 481,616.03
  4. Step 4: Simplify right side
    805,204.55x = 582,468,946,149.27
  5. Step 5: Solve for x
    x = 582,468,946,149.27/805,204.55
  6. Step 6: Final answer
    x = 723,380.10

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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.