Home / 699,107.76-1,047,997.26-445,676.85

Finding the Fourth Proportional to 699,107.76, 1,047,997.26 and 445,676.85

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Solution

The fourth proportional to 699,107.76, 1,047,997.26 and 445,676.85 is: 668,091.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,107.76 : 1,047,997.26 = 445,676.85 : x
  2. Step 2: Convert to fraction form
    699,107.76/1,047,997.26 = 445,676.85/x
  3. Step 3: Cross multiply
    699,107.76x = 1,047,997.26 × 445,676.85
  4. Step 4: Simplify right side
    699,107.76x = 467,068,117,645.43
  5. Step 5: Solve for x
    x = 467,068,117,645.43/699,107.76
  6. Step 6: Final answer
    x = 668,091.74

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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.