Home / 807,829.44-1,211,990.25-381,692.46

Finding the Fourth Proportional to 807,829.44, 1,211,990.25 and 381,692.46

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Solution

The fourth proportional to 807,829.44, 1,211,990.25 and 381,692.46 is: 572,654.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,829.44 : 1,211,990.25 = 381,692.46 : x
  2. Step 2: Convert to fraction form
    807,829.44/1,211,990.25 = 381,692.46/x
  3. Step 3: Cross multiply
    807,829.44x = 1,211,990.25 × 381,692.46
  4. Step 4: Simplify right side
    807,829.44x = 462,607,540,018.52
  5. Step 5: Solve for x
    x = 462,607,540,018.52/807,829.44
  6. Step 6: Final answer
    x = 572,654.97

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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.