Home / 819,460.35-1,229,146.65-250,841.70

Finding the Fourth Proportional to 819,460.35, 1,229,146.65 and 250,841.70

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Solution

The fourth proportional to 819,460.35, 1,229,146.65 and 250,841.70 is: 376,249.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,460.35 : 1,229,146.65 = 250,841.70 : x
  2. Step 2: Convert to fraction form
    819,460.35/1,229,146.65 = 250,841.70/x
  3. Step 3: Cross multiply
    819,460.35x = 1,229,146.65 × 250,841.70
  4. Step 4: Simplify right side
    819,460.35x = 308,321,235,235.31
  5. Step 5: Solve for x
    x = 308,321,235,235.31/819,460.35
  6. Step 6: Final answer
    x = 376,249.12

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Double scale
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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.