Home / 814,726.12-1,221,797.55-282,104.14

Finding the Fourth Proportional to 814,726.12, 1,221,797.55 and 282,104.14

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Solution

The fourth proportional to 814,726.12, 1,221,797.55 and 282,104.14 is: 423,055.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,726.12 : 1,221,797.55 = 282,104.14 : x
  2. Step 2: Convert to fraction form
    814,726.12/1,221,797.55 = 282,104.14/x
  3. Step 3: Cross multiply
    814,726.12x = 1,221,797.55 × 282,104.14
  4. Step 4: Simplify right side
    814,726.12x = 344,674,147,096.86
  5. Step 5: Solve for x
    x = 344,674,147,096.86/814,726.12
  6. Step 6: Final answer
    x = 423,055.23

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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.