Home / 770,232.05-1,155,453.17-320,847.83

Finding the Fourth Proportional to 770,232.05, 1,155,453.17 and 320,847.83

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Solution

The fourth proportional to 770,232.05, 1,155,453.17 and 320,847.83 is: 481,315.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,232.05 : 1,155,453.17 = 320,847.83 : x
  2. Step 2: Convert to fraction form
    770,232.05/1,155,453.17 = 320,847.83/x
  3. Step 3: Cross multiply
    770,232.05x = 1,155,453.17 × 320,847.83
  4. Step 4: Simplify right side
    770,232.05x = 370,724,634,879.62
  5. Step 5: Solve for x
    x = 370,724,634,879.62/770,232.05
  6. Step 6: Final answer
    x = 481,315.52

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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.