Home / 547,739.58-755,880.94-306,022.15

Finding the Fourth Proportional to 547,739.58, 755,880.94 and 306,022.15

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Solution

The fourth proportional to 547,739.58, 755,880.94 and 306,022.15 is: 422,310.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,739.58 : 755,880.94 = 306,022.15 : x
  2. Step 2: Convert to fraction form
    547,739.58/755,880.94 = 306,022.15/x
  3. Step 3: Cross multiply
    547,739.58x = 755,880.94 × 306,022.15
  4. Step 4: Simplify right side
    547,739.58x = 231,316,310,402.82
  5. Step 5: Solve for x
    x = 231,316,310,402.82/547,739.58
  6. Step 6: Final answer
    x = 422,310.75

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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.