Home / 726,524.94-1,089,196.91-253,542.45

Finding the Fourth Proportional to 726,524.94, 1,089,196.91 and 253,542.45

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Solution

The fourth proportional to 726,524.94, 1,089,196.91 and 253,542.45 is: 380,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,524.94 : 1,089,196.91 = 253,542.45 : x
  2. Step 2: Convert to fraction form
    726,524.94/1,089,196.91 = 253,542.45/x
  3. Step 3: Cross multiply
    726,524.94x = 1,089,196.91 × 253,542.45
  4. Step 4: Simplify right side
    726,524.94x = 276,157,651,826.12
  5. Step 5: Solve for x
    x = 276,157,651,826.12/726,524.94
  6. Step 6: Final answer
    x = 380,107.60

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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.