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Finding the Fourth Proportional to 547,900.29, 756,103.43 and 306,182.87

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Solution

The fourth proportional to 547,900.29, 756,103.43 and 306,182.87 is: 422,532.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,900.29 : 756,103.43 = 306,182.87 : x
  2. Step 2: Convert to fraction form
    547,900.29/756,103.43 = 306,182.87/x
  3. Step 3: Cross multiply
    547,900.29x = 756,103.43 × 306,182.87
  4. Step 4: Simplify right side
    547,900.29x = 231,505,915,046.89
  5. Step 5: Solve for x
    x = 231,505,915,046.89/547,900.29
  6. Step 6: Final answer
    x = 422,532.93

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1.5x scale

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.