Home / 766,647.80-1,149,971.70-367,082.90

Finding the Fourth Proportional to 766,647.80, 1,149,971.70 and 367,082.90

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Solution

The fourth proportional to 766,647.80, 1,149,971.70 and 367,082.90 is: 550,624.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,647.80 : 1,149,971.70 = 367,082.90 : x
  2. Step 2: Convert to fraction form
    766,647.80/1,149,971.70 = 367,082.90/x
  3. Step 3: Cross multiply
    766,647.80x = 1,149,971.70 × 367,082.90
  4. Step 4: Simplify right side
    766,647.80x = 422,134,946,553.93
  5. Step 5: Solve for x
    x = 422,134,946,553.93/766,647.80
  6. Step 6: Final answer
    x = 550,624.35

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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.