Home / 751,912.70-1,127,850.28-219,438.34

Finding the Fourth Proportional to 751,912.70, 1,127,850.28 and 219,438.34

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Solution

The fourth proportional to 751,912.70, 1,127,850.28 and 219,438.34 is: 329,152.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,912.70 : 1,127,850.28 = 219,438.34 : x
  2. Step 2: Convert to fraction form
    751,912.70/1,127,850.28 = 219,438.34/x
  3. Step 3: Cross multiply
    751,912.70x = 1,127,850.28 × 219,438.34
  4. Step 4: Simplify right side
    751,912.70x = 247,493,593,211.74
  5. Step 5: Solve for x
    x = 247,493,593,211.74/751,912.70
  6. Step 6: Final answer
    x = 329,152.03

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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.