Home / 814,373.80-1,221,958.14-576,019.15

Finding the Fourth Proportional to 814,373.80, 1,221,958.14 and 576,019.15

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Solution

The fourth proportional to 814,373.80, 1,221,958.14 and 576,019.15 is: 864,309.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,373.80 : 1,221,958.14 = 576,019.15 : x
  2. Step 2: Convert to fraction form
    814,373.80/1,221,958.14 = 576,019.15/x
  3. Step 3: Cross multiply
    814,373.80x = 1,221,958.14 × 576,019.15
  4. Step 4: Simplify right side
    814,373.80x = 703,871,289,138.38
  5. Step 5: Solve for x
    x = 703,871,289,138.38/814,373.80
  6. Step 6: Final answer
    x = 864,309.84

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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.