Home / 1,339,140.96-2,008,714.68-328,267.44

Finding the Fourth Proportional to 1,339,140.96, 2,008,714.68 and 328,267.44

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Solution

The fourth proportional to 1,339,140.96, 2,008,714.68 and 328,267.44 is: 492,401.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,140.96 : 2,008,714.68 = 328,267.44 : x
  2. Step 2: Convert to fraction form
    1,339,140.96/2,008,714.68 = 328,267.44/x
  3. Step 3: Cross multiply
    1,339,140.96x = 2,008,714.68 × 328,267.44
  4. Step 4: Simplify right side
    1,339,140.96x = 659,395,625,694.02
  5. Step 5: Solve for x
    x = 659,395,625,694.02/1,339,140.96
  6. Step 6: Final answer
    x = 492,401.95

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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.