Home / 726,389.12-1,089,583.68-227,792

Finding the Fourth Proportional to 726,389.12, 1,089,583.68 and 227,792

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Solution

The fourth proportional to 726,389.12, 1,089,583.68 and 227,792 is: 341,688

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,389.12 : 1,089,583.68 = 227,792 : x
  2. Step 2: Convert to fraction form
    726,389.12/1,089,583.68 = 227,792/x
  3. Step 3: Cross multiply
    726,389.12x = 1,089,583.68 × 227,792
  4. Step 4: Simplify right side
    726,389.12x = 248,198,445,634.56
  5. Step 5: Solve for x
    x = 248,198,445,634.56/726,389.12
  6. Step 6: Final answer
    x = 341,688

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Similar ratio
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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.