Home / 808,524.20-1,212,348.90-335,257.40

Finding the Fourth Proportional to 808,524.20, 1,212,348.90 and 335,257.40

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Solution

The fourth proportional to 808,524.20, 1,212,348.90 and 335,257.40 is: 502,704.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,524.20 : 1,212,348.90 = 335,257.40 : x
  2. Step 2: Convert to fraction form
    808,524.20/1,212,348.90 = 335,257.40/x
  3. Step 3: Cross multiply
    808,524.20x = 1,212,348.90 × 335,257.40
  4. Step 4: Simplify right side
    808,524.20x = 406,448,940,106.86
  5. Step 5: Solve for x
    x = 406,448,940,106.86/808,524.20
  6. Step 6: Final answer
    x = 502,704.73

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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.