Home / 851,596.92-1,277,469.16-311,999.76

Finding the Fourth Proportional to 851,596.92, 1,277,469.16 and 311,999.76

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Solution

The fourth proportional to 851,596.92, 1,277,469.16 and 311,999.76 is: 468,026.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,596.92 : 1,277,469.16 = 311,999.76 : x
  2. Step 2: Convert to fraction form
    851,596.92/1,277,469.16 = 311,999.76/x
  3. Step 3: Cross multiply
    851,596.92x = 1,277,469.16 × 311,999.76
  4. Step 4: Simplify right side
    851,596.92x = 398,570,071,327.40
  5. Step 5: Solve for x
    x = 398,570,071,327.40/851,596.92
  6. Step 6: Final answer
    x = 468,026.67

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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.