Home / 851,645.82-1,277,250.75-252,466.86

Finding the Fourth Proportional to 851,645.82, 1,277,250.75 and 252,466.86

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Solution

The fourth proportional to 851,645.82, 1,277,250.75 and 252,466.86 is: 378,635.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,645.82 : 1,277,250.75 = 252,466.86 : x
  2. Step 2: Convert to fraction form
    851,645.82/1,277,250.75 = 252,466.86/x
  3. Step 3: Cross multiply
    851,645.82x = 1,277,250.75 × 252,466.86
  4. Step 4: Simplify right side
    851,645.82x = 322,463,486,285.15
  5. Step 5: Solve for x
    x = 322,463,486,285.15/851,645.82
  6. Step 6: Final answer
    x = 378,635.67

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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.