Home / 726,624.15-1,089,586.31-253,299.03

Finding the Fourth Proportional to 726,624.15, 1,089,586.31 and 253,299.03

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Solution

The fourth proportional to 726,624.15, 1,089,586.31 and 253,299.03 is: 379,826.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,624.15 : 1,089,586.31 = 253,299.03 : x
  2. Step 2: Convert to fraction form
    726,624.15/1,089,586.31 = 253,299.03/x
  3. Step 3: Cross multiply
    726,624.15x = 1,089,586.31 × 253,299.03
  4. Step 4: Simplify right side
    726,624.15x = 275,991,154,157.78
  5. Step 5: Solve for x
    x = 275,991,154,157.78/726,624.15
  6. Step 6: Final answer
    x = 379,826.56

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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.