Home / 694,243.40-1,041,441.63-220,818.03

Finding the Fourth Proportional to 694,243.40, 1,041,441.63 and 220,818.03

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Solution

The fourth proportional to 694,243.40, 1,041,441.63 and 220,818.03 is: 331,251.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,243.40 : 1,041,441.63 = 220,818.03 : x
  2. Step 2: Convert to fraction form
    694,243.40/1,041,441.63 = 220,818.03/x
  3. Step 3: Cross multiply
    694,243.40x = 1,041,441.63 × 220,818.03
  4. Step 4: Simplify right side
    694,243.40x = 229,969,089,096.59
  5. Step 5: Solve for x
    x = 229,969,089,096.59/694,243.40
  6. Step 6: Final answer
    x = 331,251.39

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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.