Home / 1,085,471.78-1,627,770.27-327,078.50

Finding the Fourth Proportional to 1,085,471.78, 1,627,770.27 and 327,078.50

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Solution

The fourth proportional to 1,085,471.78, 1,627,770.27 and 327,078.50 is: 490,485.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,471.78 : 1,627,770.27 = 327,078.50 : x
  2. Step 2: Convert to fraction form
    1,085,471.78/1,627,770.27 = 327,078.50/x
  3. Step 3: Cross multiply
    1,085,471.78x = 1,627,770.27 × 327,078.50
  4. Step 4: Simplify right side
    1,085,471.78x = 532,408,658,256.20
  5. Step 5: Solve for x
    x = 532,408,658,256.20/1,085,471.78
  6. Step 6: Final answer
    x = 490,485.95

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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.