Home / 806,482.60-1,209,723.90-274,604.20

Finding the Fourth Proportional to 806,482.60, 1,209,723.90 and 274,604.20

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Solution

The fourth proportional to 806,482.60, 1,209,723.90 and 274,604.20 is: 411,906.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,482.60 : 1,209,723.90 = 274,604.20 : x
  2. Step 2: Convert to fraction form
    806,482.60/1,209,723.90 = 274,604.20/x
  3. Step 3: Cross multiply
    806,482.60x = 1,209,723.90 × 274,604.20
  4. Step 4: Simplify right side
    806,482.60x = 332,195,263,780.38
  5. Step 5: Solve for x
    x = 332,195,263,780.38/806,482.60
  6. Step 6: Final answer
    x = 411,906.30

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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.