Home / 838,704.62-1,258,056.92-207,618.42

Finding the Fourth Proportional to 838,704.62, 1,258,056.92 and 207,618.42

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Solution

The fourth proportional to 838,704.62, 1,258,056.92 and 207,618.42 is: 311,427.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,704.62 : 1,258,056.92 = 207,618.42 : x
  2. Step 2: Convert to fraction form
    838,704.62/1,258,056.92 = 207,618.42/x
  3. Step 3: Cross multiply
    838,704.62x = 1,258,056.92 × 207,618.42
  4. Step 4: Simplify right side
    838,704.62x = 261,195,788,962.37
  5. Step 5: Solve for x
    x = 261,195,788,962.37/838,704.62
  6. Step 6: Final answer
    x = 311,427.63

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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.