Home / 888,459.23-1,332,687.84-289,419.43

Finding the Fourth Proportional to 888,459.23, 1,332,687.84 and 289,419.43

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Solution

The fourth proportional to 888,459.23, 1,332,687.84 and 289,419.43 is: 434,128.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,459.23 : 1,332,687.84 = 289,419.43 : x
  2. Step 2: Convert to fraction form
    888,459.23/1,332,687.84 = 289,419.43/x
  3. Step 3: Cross multiply
    888,459.23x = 1,332,687.84 × 289,419.43
  4. Step 4: Simplify right side
    888,459.23x = 385,705,753,102.48
  5. Step 5: Solve for x
    x = 385,705,753,102.48/888,459.23
  6. Step 6: Final answer
    x = 434,128.81

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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.