Home / 800,723.28-1,105,398-461,125.92

Finding the Fourth Proportional to 800,723.28, 1,105,398 and 461,125.92

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Solution

The fourth proportional to 800,723.28, 1,105,398 and 461,125.92 is: 636,584.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,723.28 : 1,105,398 = 461,125.92 : x
  2. Step 2: Convert to fraction form
    800,723.28/1,105,398 = 461,125.92/x
  3. Step 3: Cross multiply
    800,723.28x = 1,105,398 × 461,125.92
  4. Step 4: Simplify right side
    800,723.28x = 509,727,669,716.16
  5. Step 5: Solve for x
    x = 509,727,669,716.16/800,723.28
  6. Step 6: Final answer
    x = 636,584.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.