Home / 814,022.76-1,221,044.49-308,447.90

Finding the Fourth Proportional to 814,022.76, 1,221,044.49 and 308,447.90

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Solution

The fourth proportional to 814,022.76, 1,221,044.49 and 308,447.90 is: 462,675.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,022.76 : 1,221,044.49 = 308,447.90 : x
  2. Step 2: Convert to fraction form
    814,022.76/1,221,044.49 = 308,447.90/x
  3. Step 3: Cross multiply
    814,022.76x = 1,221,044.49 × 308,447.90
  4. Step 4: Simplify right side
    814,022.76x = 376,628,602,641.85
  5. Step 5: Solve for x
    x = 376,628,602,641.85/814,022.76
  6. Step 6: Final answer
    x = 462,675.76

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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.