Home / 726,626.97-1,089,233.32-347,449.77

Finding the Fourth Proportional to 726,626.97, 1,089,233.32 and 347,449.77

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Solution

The fourth proportional to 726,626.97, 1,089,233.32 and 347,449.77 is: 520,836.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,626.97 : 1,089,233.32 = 347,449.77 : x
  2. Step 2: Convert to fraction form
    726,626.97/1,089,233.32 = 347,449.77/x
  3. Step 3: Cross multiply
    726,626.97x = 1,089,233.32 × 347,449.77
  4. Step 4: Simplify right side
    726,626.97x = 378,453,866,510.34
  5. Step 5: Solve for x
    x = 378,453,866,510.34/726,626.97
  6. Step 6: Final answer
    x = 520,836.53

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1.5x scale

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.