Home / 880,404.60-1,320,606.90-215,556.60

Finding the Fourth Proportional to 880,404.60, 1,320,606.90 and 215,556.60

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Solution

The fourth proportional to 880,404.60, 1,320,606.90 and 215,556.60 is: 323,334.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,404.60 : 1,320,606.90 = 215,556.60 : x
  2. Step 2: Convert to fraction form
    880,404.60/1,320,606.90 = 215,556.60/x
  3. Step 3: Cross multiply
    880,404.60x = 1,320,606.90 × 215,556.60
  4. Step 4: Simplify right side
    880,404.60x = 284,665,533,300.54
  5. Step 5: Solve for x
    x = 284,665,533,300.54/880,404.60
  6. Step 6: Final answer
    x = 323,334.90

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Similar ratio
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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.