Home / 808,255.70-1,212,383.55-493,327.70

Finding the Fourth Proportional to 808,255.70, 1,212,383.55 and 493,327.70

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Solution

The fourth proportional to 808,255.70, 1,212,383.55 and 493,327.70 is: 739,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,255.70 : 1,212,383.55 = 493,327.70 : x
  2. Step 2: Convert to fraction form
    808,255.70/1,212,383.55 = 493,327.70/x
  3. Step 3: Cross multiply
    808,255.70x = 1,212,383.55 × 493,327.70
  4. Step 4: Simplify right side
    808,255.70x = 598,102,388,239.34
  5. Step 5: Solve for x
    x = 598,102,388,239.34/808,255.70
  6. Step 6: Final answer
    x = 739,991.55

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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.