Home / 835,121.10-1,252,670.72-204,040.38

Finding the Fourth Proportional to 835,121.10, 1,252,670.72 and 204,040.38

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Solution

The fourth proportional to 835,121.10, 1,252,670.72 and 204,040.38 is: 306,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,121.10 : 1,252,670.72 = 204,040.38 : x
  2. Step 2: Convert to fraction form
    835,121.10/1,252,670.72 = 204,040.38/x
  3. Step 3: Cross multiply
    835,121.10x = 1,252,670.72 × 204,040.38
  4. Step 4: Simplify right side
    835,121.10x = 255,595,409,723.67
  5. Step 5: Solve for x
    x = 255,595,409,723.67/835,121.10
  6. Step 6: Final answer
    x = 306,057.90

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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.