Home / 726,100.12-1,089,253.86-227,503

Finding the Fourth Proportional to 726,100.12, 1,089,253.86 and 227,503

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Solution

The fourth proportional to 726,100.12, 1,089,253.86 and 227,503 is: 341,286.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,100.12 : 1,089,253.86 = 227,503 : x
  2. Step 2: Convert to fraction form
    726,100.12/1,089,253.86 = 227,503/x
  3. Step 3: Cross multiply
    726,100.12x = 1,089,253.86 × 227,503
  4. Step 4: Simplify right side
    726,100.12x = 247,808,520,911.58
  5. Step 5: Solve for x
    x = 247,808,520,911.58/726,100.12
  6. Step 6: Final answer
    x = 341,286.99

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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.