Home / 814,747.10-1,222,266.45-341,480.30

Finding the Fourth Proportional to 814,747.10, 1,222,266.45 and 341,480.30

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Solution

The fourth proportional to 814,747.10, 1,222,266.45 and 341,480.30 is: 512,281.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,747.10 : 1,222,266.45 = 341,480.30 : x
  2. Step 2: Convert to fraction form
    814,747.10/1,222,266.45 = 341,480.30/x
  3. Step 3: Cross multiply
    814,747.10x = 1,222,266.45 × 341,480.30
  4. Step 4: Simplify right side
    814,747.10x = 417,379,914,025.94
  5. Step 5: Solve for x
    x = 417,379,914,025.94/814,747.10
  6. Step 6: Final answer
    x = 512,281.56

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1.5x scale

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.