Home / 847,757.26-1,271,584.39-300,676.78

Finding the Fourth Proportional to 847,757.26, 1,271,584.39 and 300,676.78

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Solution

The fourth proportional to 847,757.26, 1,271,584.39 and 300,676.78 is: 450,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,757.26 : 1,271,584.39 = 300,676.78 : x
  2. Step 2: Convert to fraction form
    847,757.26/1,271,584.39 = 300,676.78/x
  3. Step 3: Cross multiply
    847,757.26x = 1,271,584.39 × 300,676.78
  4. Step 4: Simplify right side
    847,757.26x = 382,335,899,883.46
  5. Step 5: Solve for x
    x = 382,335,899,883.46/847,757.26
  6. Step 6: Final answer
    x = 450,996.90

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1.5x scale

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.