Home / 726,622.65-1,089,584.06-253,297.53

Finding the Fourth Proportional to 726,622.65, 1,089,584.06 and 253,297.53

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Solution

The fourth proportional to 726,622.65, 1,089,584.06 and 253,297.53 is: 379,824.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,622.65 : 1,089,584.06 = 253,297.53 : x
  2. Step 2: Convert to fraction form
    726,622.65/1,089,584.06 = 253,297.53/x
  3. Step 3: Cross multiply
    726,622.65x = 1,089,584.06 × 253,297.53
  4. Step 4: Simplify right side
    726,622.65x = 275,988,949,858.88
  5. Step 5: Solve for x
    x = 275,988,949,858.88/726,622.65
  6. Step 6: Final answer
    x = 379,824.31

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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.