Home / 814,546.62-1,221,979.14-245,974

Finding the Fourth Proportional to 814,546.62, 1,221,979.14 and 245,974

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Solution

The fourth proportional to 814,546.62, 1,221,979.14 and 245,974 is: 369,009.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,546.62 : 1,221,979.14 = 245,974 : x
  2. Step 2: Convert to fraction form
    814,546.62/1,221,979.14 = 245,974/x
  3. Step 3: Cross multiply
    814,546.62x = 1,221,979.14 × 245,974
  4. Step 4: Simplify right side
    814,546.62x = 300,575,096,982.36
  5. Step 5: Solve for x
    x = 300,575,096,982.36/814,546.62
  6. Step 6: Final answer
    x = 369,009.08

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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.