Home / 872,990.28-1,309,481.82-241,902.28

Finding the Fourth Proportional to 872,990.28, 1,309,481.82 and 241,902.28

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Solution

The fourth proportional to 872,990.28, 1,309,481.82 and 241,902.28 is: 362,852.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,990.28 : 1,309,481.82 = 241,902.28 : x
  2. Step 2: Convert to fraction form
    872,990.28/1,309,481.82 = 241,902.28/x
  3. Step 3: Cross multiply
    872,990.28x = 1,309,481.82 × 241,902.28
  4. Step 4: Simplify right side
    872,990.28x = 316,766,637,876.55
  5. Step 5: Solve for x
    x = 316,766,637,876.55/872,990.28
  6. Step 6: Final answer
    x = 362,852.42

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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.