Home / 988,115.52-1,482,189.84-278,160.60

Finding the Fourth Proportional to 988,115.52, 1,482,189.84 and 278,160.60

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Solution

The fourth proportional to 988,115.52, 1,482,189.84 and 278,160.60 is: 417,245.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,115.52 : 1,482,189.84 = 278,160.60 : x
  2. Step 2: Convert to fraction form
    988,115.52/1,482,189.84 = 278,160.60/x
  3. Step 3: Cross multiply
    988,115.52x = 1,482,189.84 × 278,160.60
  4. Step 4: Simplify right side
    988,115.52x = 412,286,815,208.30
  5. Step 5: Solve for x
    x = 412,286,815,208.30/988,115.52
  6. Step 6: Final answer
    x = 417,245.56

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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.