Home / 889,906.33-1,334,845.35-215,993.20

Finding the Fourth Proportional to 889,906.33, 1,334,845.35 and 215,993.20

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Solution

The fourth proportional to 889,906.33, 1,334,845.35 and 215,993.20 is: 323,986.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,906.33 : 1,334,845.35 = 215,993.20 : x
  2. Step 2: Convert to fraction form
    889,906.33/1,334,845.35 = 215,993.20/x
  3. Step 3: Cross multiply
    889,906.33x = 1,334,845.35 × 215,993.20
  4. Step 4: Simplify right side
    889,906.33x = 288,317,518,651.62
  5. Step 5: Solve for x
    x = 288,317,518,651.62/889,906.33
  6. Step 6: Final answer
    x = 323,986.37

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Double scale
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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.