Home / 808,517.60-1,212,922.20-335,250.80

Finding the Fourth Proportional to 808,517.60, 1,212,922.20 and 335,250.80

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Solution

The fourth proportional to 808,517.60, 1,212,922.20 and 335,250.80 is: 502,936.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,517.60 : 1,212,922.20 = 335,250.80 : x
  2. Step 2: Convert to fraction form
    808,517.60/1,212,922.20 = 335,250.80/x
  3. Step 3: Cross multiply
    808,517.60x = 1,212,922.20 × 335,250.80
  4. Step 4: Simplify right side
    808,517.60x = 406,633,137,887.76
  5. Step 5: Solve for x
    x = 406,633,137,887.76/808,517.60
  6. Step 6: Final answer
    x = 502,936.66

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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.