Home / 738,514.20-1,107,755.10-206,020.20

Finding the Fourth Proportional to 738,514.20, 1,107,755.10 and 206,020.20

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Solution

The fourth proportional to 738,514.20, 1,107,755.10 and 206,020.20 is: 309,025.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,514.20 : 1,107,755.10 = 206,020.20 : x
  2. Step 2: Convert to fraction form
    738,514.20/1,107,755.10 = 206,020.20/x
  3. Step 3: Cross multiply
    738,514.20x = 1,107,755.10 × 206,020.20
  4. Step 4: Simplify right side
    738,514.20x = 228,219,927,253.02
  5. Step 5: Solve for x
    x = 228,219,927,253.02/738,514.20
  6. Step 6: Final answer
    x = 309,025.78

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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.