Home / 890,086.76-1,335,115.56-216,173.60

Finding the Fourth Proportional to 890,086.76, 1,335,115.56 and 216,173.60

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Solution

The fourth proportional to 890,086.76, 1,335,115.56 and 216,173.60 is: 324,256.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,086.76 : 1,335,115.56 = 216,173.60 : x
  2. Step 2: Convert to fraction form
    890,086.76/1,335,115.56 = 216,173.60/x
  3. Step 3: Cross multiply
    890,086.76x = 1,335,115.56 × 216,173.60
  4. Step 4: Simplify right side
    890,086.76x = 288,616,737,021.22
  5. Step 5: Solve for x
    x = 288,616,737,021.22/890,086.76
  6. Step 6: Final answer
    x = 324,256.86

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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.