Home / 672,456.72-1,008,832.68-199,179.12

Finding the Fourth Proportional to 672,456.72, 1,008,832.68 and 199,179.12

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Solution

The fourth proportional to 672,456.72, 1,008,832.68 and 199,179.12 is: 298,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,456.72 : 1,008,832.68 = 199,179.12 : x
  2. Step 2: Convert to fraction form
    672,456.72/1,008,832.68 = 199,179.12/x
  3. Step 3: Cross multiply
    672,456.72x = 1,008,832.68 × 199,179.12
  4. Step 4: Simplify right side
    672,456.72x = 200,938,405,429.64
  5. Step 5: Solve for x
    x = 200,938,405,429.64/672,456.72
  6. Step 6: Final answer
    x = 298,812.40

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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.