Home / 547,839.28-820,626.81-322,505.38

Finding the Fourth Proportional to 547,839.28, 820,626.81 and 322,505.38

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Solution

The fourth proportional to 547,839.28, 820,626.81 and 322,505.38 is: 483,091.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,839.28 : 820,626.81 = 322,505.38 : x
  2. Step 2: Convert to fraction form
    547,839.28/820,626.81 = 322,505.38/x
  3. Step 3: Cross multiply
    547,839.28x = 820,626.81 × 322,505.38
  4. Step 4: Simplify right side
    547,839.28x = 264,656,561,197.24
  5. Step 5: Solve for x
    x = 264,656,561,197.24/547,839.28
  6. Step 6: Final answer
    x = 483,091.61

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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.