Home / 770,231.55-1,155,452.41-320,847.33

Finding the Fourth Proportional to 770,231.55, 1,155,452.41 and 320,847.33

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Solution

The fourth proportional to 770,231.55, 1,155,452.41 and 320,847.33 is: 481,314.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,231.55 : 1,155,452.41 = 320,847.33 : x
  2. Step 2: Convert to fraction form
    770,231.55/1,155,452.41 = 320,847.33/x
  3. Step 3: Cross multiply
    770,231.55x = 1,155,452.41 × 320,847.33
  4. Step 4: Simplify right side
    770,231.55x = 370,723,820,690.57
  5. Step 5: Solve for x
    x = 370,723,820,690.57/770,231.55
  6. Step 6: Final answer
    x = 481,314.77

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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.