Home / 853,723.32-1,280,584.44-255,104.46

Finding the Fourth Proportional to 853,723.32, 1,280,584.44 and 255,104.46

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Solution

The fourth proportional to 853,723.32, 1,280,584.44 and 255,104.46 is: 382,656.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,723.32 : 1,280,584.44 = 255,104.46 : x
  2. Step 2: Convert to fraction form
    853,723.32/1,280,584.44 = 255,104.46/x
  3. Step 3: Cross multiply
    853,723.32x = 1,280,584.44 × 255,104.46
  4. Step 4: Simplify right side
    853,723.32x = 326,682,802,050.60
  5. Step 5: Solve for x
    x = 326,682,802,050.60/853,723.32
  6. Step 6: Final answer
    x = 382,656.53

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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.