Home / 897,163.95-1,345,879.59-320,743.65

Finding the Fourth Proportional to 897,163.95, 1,345,879.59 and 320,743.65

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Solution

The fourth proportional to 897,163.95, 1,345,879.59 and 320,743.65 is: 481,163.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,163.95 : 1,345,879.59 = 320,743.65 : x
  2. Step 2: Convert to fraction form
    897,163.95/1,345,879.59 = 320,743.65/x
  3. Step 3: Cross multiply
    897,163.95x = 1,345,879.59 × 320,743.65
  4. Step 4: Simplify right side
    897,163.95x = 431,682,332,157.10
  5. Step 5: Solve for x
    x = 431,682,332,157.10/897,163.95
  6. Step 6: Final answer
    x = 481,163.26

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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.