Home / 589,321.20-884,046.60-215,425.20

Finding the Fourth Proportional to 589,321.20, 884,046.60 and 215,425.20

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Solution

The fourth proportional to 589,321.20, 884,046.60 and 215,425.20 is: 323,161.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,321.20 : 884,046.60 = 215,425.20 : x
  2. Step 2: Convert to fraction form
    589,321.20/884,046.60 = 215,425.20/x
  3. Step 3: Cross multiply
    589,321.20x = 884,046.60 × 215,425.20
  4. Step 4: Simplify right side
    589,321.20x = 190,445,915,614.32
  5. Step 5: Solve for x
    x = 190,445,915,614.32/589,321.20
  6. Step 6: Final answer
    x = 323,161.49

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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.