Home / 547,521.44-821,282.24-206,029.15

Finding the Fourth Proportional to 547,521.44, 821,282.24 and 206,029.15

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Solution

The fourth proportional to 547,521.44, 821,282.24 and 206,029.15 is: 309,043.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,521.44 : 821,282.24 = 206,029.15 : x
  2. Step 2: Convert to fraction form
    547,521.44/821,282.24 = 206,029.15/x
  3. Step 3: Cross multiply
    547,521.44x = 821,282.24 × 206,029.15
  4. Step 4: Simplify right side
    547,521.44x = 169,208,080,279.16
  5. Step 5: Solve for x
    x = 169,208,080,279.16/547,521.44
  6. Step 6: Final answer
    x = 309,043.76

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Double scale
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Similar ratio
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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.