Home / 672,236.40-1,008,354.60-298,297.20

Finding the Fourth Proportional to 672,236.40, 1,008,354.60 and 298,297.20

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Solution

The fourth proportional to 672,236.40, 1,008,354.60 and 298,297.20 is: 447,445.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,236.40 : 1,008,354.60 = 298,297.20 : x
  2. Step 2: Convert to fraction form
    672,236.40/1,008,354.60 = 298,297.20/x
  3. Step 3: Cross multiply
    672,236.40x = 1,008,354.60 × 298,297.20
  4. Step 4: Simplify right side
    672,236.40x = 300,789,353,787.12
  5. Step 5: Solve for x
    x = 300,789,353,787.12/672,236.40
  6. Step 6: Final answer
    x = 447,445.80

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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.