Home / 726,601.47-1,089,958.10-221,205.83

Finding the Fourth Proportional to 726,601.47, 1,089,958.10 and 221,205.83

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Solution

The fourth proportional to 726,601.47, 1,089,958.10 and 221,205.83 is: 331,825.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,601.47 : 1,089,958.10 = 221,205.83 : x
  2. Step 2: Convert to fraction form
    726,601.47/1,089,958.10 = 221,205.83/x
  3. Step 3: Cross multiply
    726,601.47x = 1,089,958.10 × 221,205.83
  4. Step 4: Simplify right side
    726,601.47x = 241,105,079,619.90
  5. Step 5: Solve for x
    x = 241,105,079,619.90/726,601.47
  6. Step 6: Final answer
    x = 331,825.75

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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.