Home / 672,021.15-1,008,031.73-198,664.35

Finding the Fourth Proportional to 672,021.15, 1,008,031.73 and 198,664.35

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Solution

The fourth proportional to 672,021.15, 1,008,031.73 and 198,664.35 is: 297,996.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,021.15 : 1,008,031.73 = 198,664.35 : x
  2. Step 2: Convert to fraction form
    672,021.15/1,008,031.73 = 198,664.35/x
  3. Step 3: Cross multiply
    672,021.15x = 1,008,031.73 × 198,664.35
  4. Step 4: Simplify right side
    672,021.15x = 200,259,967,426.50
  5. Step 5: Solve for x
    x = 200,259,967,426.50/672,021.15
  6. Step 6: Final answer
    x = 297,996.53

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Half scale
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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.