Home / 693,720.99-1,040,458.64-188,321.22

Finding the Fourth Proportional to 693,720.99, 1,040,458.64 and 188,321.22

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Solution

The fourth proportional to 693,720.99, 1,040,458.64 and 188,321.22 is: 282,448.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,720.99 : 1,040,458.64 = 188,321.22 : x
  2. Step 2: Convert to fraction form
    693,720.99/1,040,458.64 = 188,321.22/x
  3. Step 3: Cross multiply
    693,720.99x = 1,040,458.64 × 188,321.22
  4. Step 4: Simplify right side
    693,720.99x = 195,940,439,502.74
  5. Step 5: Solve for x
    x = 195,940,439,502.74/693,720.99
  6. Step 6: Final answer
    x = 282,448.48

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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.