Home / 814,807.80-1,222,211.70-495,943.20

Finding the Fourth Proportional to 814,807.80, 1,222,211.70 and 495,943.20

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Solution

The fourth proportional to 814,807.80, 1,222,211.70 and 495,943.20 is: 743,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,807.80 : 1,222,211.70 = 495,943.20 : x
  2. Step 2: Convert to fraction form
    814,807.80/1,222,211.70 = 495,943.20/x
  3. Step 3: Cross multiply
    814,807.80x = 1,222,211.70 × 495,943.20
  4. Step 4: Simplify right side
    814,807.80x = 606,147,581,575.44
  5. Step 5: Solve for x
    x = 606,147,581,575.44/814,807.80
  6. Step 6: Final answer
    x = 743,914.80

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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.