Home / 477,629.78-659,290.94-296,447.76

Finding the Fourth Proportional to 477,629.78, 659,290.94 and 296,447.76

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Solution

The fourth proportional to 477,629.78, 659,290.94 and 296,447.76 is: 409,198.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,629.78 : 659,290.94 = 296,447.76 : x
  2. Step 2: Convert to fraction form
    477,629.78/659,290.94 = 296,447.76/x
  3. Step 3: Cross multiply
    477,629.78x = 659,290.94 × 296,447.76
  4. Step 4: Simplify right side
    477,629.78x = 195,445,322,351.29
  5. Step 5: Solve for x
    x = 195,445,322,351.29/477,629.78
  6. Step 6: Final answer
    x = 409,198.36

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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.