Home / 726,764.40-1,089,757.80-305,564.40

Finding the Fourth Proportional to 726,764.40, 1,089,757.80 and 305,564.40

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Solution

The fourth proportional to 726,764.40, 1,089,757.80 and 305,564.40 is: 458,183.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,764.40 : 1,089,757.80 = 305,564.40 : x
  2. Step 2: Convert to fraction form
    726,764.40/1,089,757.80 = 305,564.40/x
  3. Step 3: Cross multiply
    726,764.40x = 1,089,757.80 × 305,564.40
  4. Step 4: Simplify right side
    726,764.40x = 332,991,188,302.32
  5. Step 5: Solve for x
    x = 332,991,188,302.32/726,764.40
  6. Step 6: Final answer
    x = 458,183.13

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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.