Home / 679,769.70-1,019,588.22-206,459.16

Finding the Fourth Proportional to 679,769.70, 1,019,588.22 and 206,459.16

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Solution

The fourth proportional to 679,769.70, 1,019,588.22 and 206,459.16 is: 309,668.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,769.70 : 1,019,588.22 = 206,459.16 : x
  2. Step 2: Convert to fraction form
    679,769.70/1,019,588.22 = 206,459.16/x
  3. Step 3: Cross multiply
    679,769.70x = 1,019,588.22 × 206,459.16
  4. Step 4: Simplify right side
    679,769.70x = 210,503,327,447.10
  5. Step 5: Solve for x
    x = 210,503,327,447.10/679,769.70
  6. Step 6: Final answer
    x = 309,668.59

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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.