Home / 448,587.10-673,247.85-445,087.90

Finding the Fourth Proportional to 448,587.10, 673,247.85 and 445,087.90

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Solution

The fourth proportional to 448,587.10, 673,247.85 and 445,087.90 is: 667,996.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,587.10 : 673,247.85 = 445,087.90 : x
  2. Step 2: Convert to fraction form
    448,587.10/673,247.85 = 445,087.90/x
  3. Step 3: Cross multiply
    448,587.10x = 673,247.85 × 445,087.90
  4. Step 4: Simplify right side
    448,587.10x = 299,654,471,736.02
  5. Step 5: Solve for x
    x = 299,654,471,736.02/448,587.10
  6. Step 6: Final answer
    x = 667,996.19

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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.