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Finding the Fourth Proportional to 637,974.35, 880,404.12 and 351,494.44

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Solution

The fourth proportional to 637,974.35, 880,404.12 and 351,494.44 is: 485,062.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,974.35 : 880,404.12 = 351,494.44 : x
  2. Step 2: Convert to fraction form
    637,974.35/880,404.12 = 351,494.44/x
  3. Step 3: Cross multiply
    637,974.35x = 880,404.12 × 351,494.44
  4. Step 4: Simplify right side
    637,974.35x = 309,457,150,932.08
  5. Step 5: Solve for x
    x = 309,457,150,932.08/637,974.35
  6. Step 6: Final answer
    x = 485,062.06

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.