Home / 672,610.18-1,008,918.91-199,299.64

Finding the Fourth Proportional to 672,610.18, 1,008,918.91 and 199,299.64

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Solution

The fourth proportional to 672,610.18, 1,008,918.91 and 199,299.64 is: 298,950.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,610.18 : 1,008,918.91 = 199,299.64 : x
  2. Step 2: Convert to fraction form
    672,610.18/1,008,918.91 = 199,299.64/x
  3. Step 3: Cross multiply
    672,610.18x = 1,008,918.91 × 199,299.64
  4. Step 4: Simplify right side
    672,610.18x = 201,077,175,552.19
  5. Step 5: Solve for x
    x = 201,077,175,552.19/672,610.18
  6. Step 6: Final answer
    x = 298,950.54

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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.