Home / 856,233.20-1,284,364.20-324,004.88

Finding the Fourth Proportional to 856,233.20, 1,284,364.20 and 324,004.88

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Solution

The fourth proportional to 856,233.20, 1,284,364.20 and 324,004.88 is: 486,012.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,233.20 : 1,284,364.20 = 324,004.88 : x
  2. Step 2: Convert to fraction form
    856,233.20/1,284,364.20 = 324,004.88/x
  3. Step 3: Cross multiply
    856,233.20x = 1,284,364.20 × 324,004.88
  4. Step 4: Simplify right side
    856,233.20x = 416,140,268,497.30
  5. Step 5: Solve for x
    x = 416,140,268,497.30/856,233.20
  6. Step 6: Final answer
    x = 486,012.77

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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.