Home / 799,682.25-1,199,733.67-287,399.13

Finding the Fourth Proportional to 799,682.25, 1,199,733.67 and 287,399.13

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Solution

The fourth proportional to 799,682.25, 1,199,733.67 and 287,399.13 is: 431,174.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,682.25 : 1,199,733.67 = 287,399.13 : x
  2. Step 2: Convert to fraction form
    799,682.25/1,199,733.67 = 287,399.13/x
  3. Step 3: Cross multiply
    799,682.25x = 1,199,733.67 × 287,399.13
  4. Step 4: Simplify right side
    799,682.25x = 344,802,412,989.71
  5. Step 5: Solve for x
    x = 344,802,412,989.71/799,682.25
  6. Step 6: Final answer
    x = 431,174.27

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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.