Home / 814,963.98-1,222,169.13-282,360.66

Finding the Fourth Proportional to 814,963.98, 1,222,169.13 and 282,360.66

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Solution

The fourth proportional to 814,963.98, 1,222,169.13 and 282,360.66 is: 423,445.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,963.98 : 1,222,169.13 = 282,360.66 : x
  2. Step 2: Convert to fraction form
    814,963.98/1,222,169.13 = 282,360.66/x
  3. Step 3: Cross multiply
    814,963.98x = 1,222,169.13 × 282,360.66
  4. Step 4: Simplify right side
    814,963.98x = 345,092,482,178.43
  5. Step 5: Solve for x
    x = 345,092,482,178.43/814,963.98
  6. Step 6: Final answer
    x = 423,445.07

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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.