Home / 789,919.44-1,089,621.04-484,133.12

Finding the Fourth Proportional to 789,919.44, 1,089,621.04 and 484,133.12

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Solution

The fourth proportional to 789,919.44, 1,089,621.04 and 484,133.12 is: 667,817.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,919.44 : 1,089,621.04 = 484,133.12 : x
  2. Step 2: Convert to fraction form
    789,919.44/1,089,621.04 = 484,133.12/x
  3. Step 3: Cross multiply
    789,919.44x = 1,089,621.04 × 484,133.12
  4. Step 4: Simplify right side
    789,919.44x = 527,521,633,712.85
  5. Step 5: Solve for x
    x = 527,521,633,712.85/789,919.44
  6. Step 6: Final answer
    x = 667,817.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.