Home / 726,629.40-1,089,594.18-253,304.28

Finding the Fourth Proportional to 726,629.40, 1,089,594.18 and 253,304.28

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Solution

The fourth proportional to 726,629.40, 1,089,594.18 and 253,304.28 is: 379,834.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,629.40 : 1,089,594.18 = 253,304.28 : x
  2. Step 2: Convert to fraction form
    726,629.40/1,089,594.18 = 253,304.28/x
  3. Step 3: Cross multiply
    726,629.40x = 1,089,594.18 × 253,304.28
  4. Step 4: Simplify right side
    726,629.40x = 275,998,869,257.09
  5. Step 5: Solve for x
    x = 275,998,869,257.09/726,629.40
  6. Step 6: Final answer
    x = 379,834.44

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1.5x scale

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.