Home / 814,675.80-1,222,013.70-341,311.80

Finding the Fourth Proportional to 814,675.80, 1,222,013.70 and 341,311.80

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Solution

The fourth proportional to 814,675.80, 1,222,013.70 and 341,311.80 is: 511,967.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,675.80 : 1,222,013.70 = 341,311.80 : x
  2. Step 2: Convert to fraction form
    814,675.80/1,222,013.70 = 341,311.80/x
  3. Step 3: Cross multiply
    814,675.80x = 1,222,013.70 × 341,311.80
  4. Step 4: Simplify right side
    814,675.80x = 417,087,695,571.66
  5. Step 5: Solve for x
    x = 417,087,695,571.66/814,675.80
  6. Step 6: Final answer
    x = 511,967.70

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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.