Home / 814,358.23-1,221,546.75-245,744.26

Finding the Fourth Proportional to 814,358.23, 1,221,546.75 and 245,744.26

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Solution

The fourth proportional to 814,358.23, 1,221,546.75 and 245,744.26 is: 368,619.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,358.23 : 1,221,546.75 = 245,744.26 : x
  2. Step 2: Convert to fraction form
    814,358.23/1,221,546.75 = 245,744.26/x
  3. Step 3: Cross multiply
    814,358.23x = 1,221,546.75 × 245,744.26
  4. Step 4: Simplify right side
    814,358.23x = 300,188,100,001.83
  5. Step 5: Solve for x
    x = 300,188,100,001.83/814,358.23
  6. Step 6: Final answer
    x = 368,619.22

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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.