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Finding the Fourth Proportional to 670,321.35, 925,049.49 and 364,398.33

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Solution

The fourth proportional to 670,321.35, 925,049.49 and 364,398.33 is: 502,872.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,321.35 : 925,049.49 = 364,398.33 : x
  2. Step 2: Convert to fraction form
    670,321.35/925,049.49 = 364,398.33/x
  3. Step 3: Cross multiply
    670,321.35x = 925,049.49 × 364,398.33
  4. Step 4: Simplify right side
    670,321.35x = 337,086,489,323.35
  5. Step 5: Solve for x
    x = 337,086,489,323.35/670,321.35
  6. Step 6: Final answer
    x = 502,872.97

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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.