Home / 814,810.80-1,222,216.20-495,946.20

Finding the Fourth Proportional to 814,810.80, 1,222,216.20 and 495,946.20

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Solution

The fourth proportional to 814,810.80, 1,222,216.20 and 495,946.20 is: 743,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,810.80 : 1,222,216.20 = 495,946.20 : x
  2. Step 2: Convert to fraction form
    814,810.80/1,222,216.20 = 495,946.20/x
  3. Step 3: Cross multiply
    814,810.80x = 1,222,216.20 × 495,946.20
  4. Step 4: Simplify right side
    814,810.80x = 606,153,479,968.44
  5. Step 5: Solve for x
    x = 606,153,479,968.44/814,810.80
  6. Step 6: Final answer
    x = 743,919.30

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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.