Home / 814,263.40-1,221,380.70-334,387.24

Finding the Fourth Proportional to 814,263.40, 1,221,380.70 and 334,387.24

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Solution

The fourth proportional to 814,263.40, 1,221,380.70 and 334,387.24 is: 501,574.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,263.40 : 1,221,380.70 = 334,387.24 : x
  2. Step 2: Convert to fraction form
    814,263.40/1,221,380.70 = 334,387.24/x
  3. Step 3: Cross multiply
    814,263.40x = 1,221,380.70 × 334,387.24
  4. Step 4: Simplify right side
    814,263.40x = 408,414,121,262.27
  5. Step 5: Solve for x
    x = 408,414,121,262.27/814,263.40
  6. Step 6: Final answer
    x = 501,574.95

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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.