Home / 979,454.40-1,469,181.60-348,388.80

Finding the Fourth Proportional to 979,454.40, 1,469,181.60 and 348,388.80

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Solution

The fourth proportional to 979,454.40, 1,469,181.60 and 348,388.80 is: 522,583.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,454.40 : 1,469,181.60 = 348,388.80 : x
  2. Step 2: Convert to fraction form
    979,454.40/1,469,181.60 = 348,388.80/x
  3. Step 3: Cross multiply
    979,454.40x = 1,469,181.60 × 348,388.80
  4. Step 4: Simplify right side
    979,454.40x = 511,846,414,606.08
  5. Step 5: Solve for x
    x = 511,846,414,606.08/979,454.40
  6. Step 6: Final answer
    x = 522,583.20

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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.