Home / 814,342.77-1,221,246.72-274,454.19

Finding the Fourth Proportional to 814,342.77, 1,221,246.72 and 274,454.19

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Solution

The fourth proportional to 814,342.77, 1,221,246.72 and 274,454.19 is: 411,591.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,342.77 : 1,221,246.72 = 274,454.19 : x
  2. Step 2: Convert to fraction form
    814,342.77/1,221,246.72 = 274,454.19/x
  3. Step 3: Cross multiply
    814,342.77x = 1,221,246.72 × 274,454.19
  4. Step 4: Simplify right side
    814,342.77x = 335,176,279,327.76
  5. Step 5: Solve for x
    x = 335,176,279,327.76/814,342.77
  6. Step 6: Final answer
    x = 411,591.15

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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.