Home / 753,794.91-1,039,882.86-447,880.59

Finding the Fourth Proportional to 753,794.91, 1,039,882.86 and 447,880.59

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Solution

The fourth proportional to 753,794.91, 1,039,882.86 and 447,880.59 is: 617,864.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,794.91 : 1,039,882.86 = 447,880.59 : x
  2. Step 2: Convert to fraction form
    753,794.91/1,039,882.86 = 447,880.59/x
  3. Step 3: Cross multiply
    753,794.91x = 1,039,882.86 × 447,880.59
  4. Step 4: Simplify right side
    753,794.91x = 465,743,348,867.69
  5. Step 5: Solve for x
    x = 465,743,348,867.69/753,794.91
  6. Step 6: Final answer
    x = 617,864.81

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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.