Home / 494,292.51-682,153.11-279,452.61

Finding the Fourth Proportional to 494,292.51, 682,153.11 and 279,452.61

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Solution

The fourth proportional to 494,292.51, 682,153.11 and 279,452.61 is: 385,661.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,292.51 : 682,153.11 = 279,452.61 : x
  2. Step 2: Convert to fraction form
    494,292.51/682,153.11 = 279,452.61/x
  3. Step 3: Cross multiply
    494,292.51x = 682,153.11 × 279,452.61
  4. Step 4: Simplify right side
    494,292.51x = 190,629,467,009.12
  5. Step 5: Solve for x
    x = 190,629,467,009.12/494,292.51
  6. Step 6: Final answer
    x = 385,661.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.