Home / 675,620.20-1,013,430.30-275,998.60

Finding the Fourth Proportional to 675,620.20, 1,013,430.30 and 275,998.60

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Solution

The fourth proportional to 675,620.20, 1,013,430.30 and 275,998.60 is: 413,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,620.20 : 1,013,430.30 = 275,998.60 : x
  2. Step 2: Convert to fraction form
    675,620.20/1,013,430.30 = 275,998.60/x
  3. Step 3: Cross multiply
    675,620.20x = 1,013,430.30 × 275,998.60
  4. Step 4: Simplify right side
    675,620.20x = 279,705,343,997.58
  5. Step 5: Solve for x
    x = 279,705,343,997.58/675,620.20
  6. Step 6: Final answer
    x = 413,997.90

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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.