Home / 672,609.68-1,008,918.16-199,299.14

Finding the Fourth Proportional to 672,609.68, 1,008,918.16 and 199,299.14

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Solution

The fourth proportional to 672,609.68, 1,008,918.16 and 199,299.14 is: 298,949.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,609.68 : 1,008,918.16 = 199,299.14 : x
  2. Step 2: Convert to fraction form
    672,609.68/1,008,918.16 = 199,299.14/x
  3. Step 3: Cross multiply
    672,609.68x = 1,008,918.16 × 199,299.14
  4. Step 4: Simplify right side
    672,609.68x = 201,076,521,618.38
  5. Step 5: Solve for x
    x = 201,076,521,618.38/672,609.68
  6. Step 6: Final answer
    x = 298,949.79

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Double scale
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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.