Home / 726,626.48-1,089,232.57-347,449.28

Finding the Fourth Proportional to 726,626.48, 1,089,232.57 and 347,449.28

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Solution

The fourth proportional to 726,626.48, 1,089,232.57 and 347,449.28 is: 520,835.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,626.48 : 1,089,232.57 = 347,449.28 : x
  2. Step 2: Convert to fraction form
    726,626.48/1,089,232.57 = 347,449.28/x
  3. Step 3: Cross multiply
    726,626.48x = 1,089,232.57 × 347,449.28
  4. Step 4: Simplify right side
    726,626.48x = 378,453,065,015.64
  5. Step 5: Solve for x
    x = 378,453,065,015.64/726,626.48
  6. Step 6: Final answer
    x = 520,835.78

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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.