Home / 547,216.20-820,824.30-336,972.60

Finding the Fourth Proportional to 547,216.20, 820,824.30 and 336,972.60

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Solution

The fourth proportional to 547,216.20, 820,824.30 and 336,972.60 is: 505,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,216.20 : 820,824.30 = 336,972.60 : x
  2. Step 2: Convert to fraction form
    547,216.20/820,824.30 = 336,972.60/x
  3. Step 3: Cross multiply
    547,216.20x = 820,824.30 × 336,972.60
  4. Step 4: Simplify right side
    547,216.20x = 276,595,298,514.18
  5. Step 5: Solve for x
    x = 276,595,298,514.18/547,216.20
  6. Step 6: Final answer
    x = 505,458.90

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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.