Home / 547,853.14-756,022.82-306,137.69

Finding the Fourth Proportional to 547,853.14, 756,022.82 and 306,137.69

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Solution

The fourth proportional to 547,853.14, 756,022.82 and 306,137.69 is: 422,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,853.14 : 756,022.82 = 306,137.69 : x
  2. Step 2: Convert to fraction form
    547,853.14/756,022.82 = 306,137.69/x
  3. Step 3: Cross multiply
    547,853.14x = 756,022.82 × 306,137.69
  4. Step 4: Simplify right side
    547,853.14x = 231,447,080,061.45
  5. Step 5: Solve for x
    x = 231,447,080,061.45/547,853.14
  6. Step 6: Final answer
    x = 422,461.90

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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.