Home / 726,500.24-1,089,916.20-221,132.84

Finding the Fourth Proportional to 726,500.24, 1,089,916.20 and 221,132.84

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Solution

The fourth proportional to 726,500.24, 1,089,916.20 and 221,132.84 is: 331,749.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,500.24 : 1,089,916.20 = 221,132.84 : x
  2. Step 2: Convert to fraction form
    726,500.24/1,089,916.20 = 221,132.84/x
  3. Step 3: Cross multiply
    726,500.24x = 1,089,916.20 × 221,132.84
  4. Step 4: Simplify right side
    726,500.24x = 241,016,264,668.01
  5. Step 5: Solve for x
    x = 241,016,264,668.01/726,500.24
  6. Step 6: Final answer
    x = 331,749.74

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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.