Home / 516,917.80-775,376.70-267,676.20

Finding the Fourth Proportional to 516,917.80, 775,376.70 and 267,676.20

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Solution

The fourth proportional to 516,917.80, 775,376.70 and 267,676.20 is: 401,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,917.80 : 775,376.70 = 267,676.20 : x
  2. Step 2: Convert to fraction form
    516,917.80/775,376.70 = 267,676.20/x
  3. Step 3: Cross multiply
    516,917.80x = 775,376.70 × 267,676.20
  4. Step 4: Simplify right side
    516,917.80x = 207,549,888,624.54
  5. Step 5: Solve for x
    x = 207,549,888,624.54/516,917.80
  6. Step 6: Final answer
    x = 401,514.30

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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.