Home / 804,857.80-1,207,286.70-243,819.40

Finding the Fourth Proportional to 804,857.80, 1,207,286.70 and 243,819.40

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Solution

The fourth proportional to 804,857.80, 1,207,286.70 and 243,819.40 is: 365,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,857.80 : 1,207,286.70 = 243,819.40 : x
  2. Step 2: Convert to fraction form
    804,857.80/1,207,286.70 = 243,819.40/x
  3. Step 3: Cross multiply
    804,857.80x = 1,207,286.70 × 243,819.40
  4. Step 4: Simplify right side
    804,857.80x = 294,359,918,821.98
  5. Step 5: Solve for x
    x = 294,359,918,821.98/804,857.80
  6. Step 6: Final answer
    x = 365,729.10

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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.