Home / 855,479.44-1,180,824.60-493,145.56

Finding the Fourth Proportional to 855,479.44, 1,180,824.60 and 493,145.56

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Solution

The fourth proportional to 855,479.44, 1,180,824.60 and 493,145.56 is: 680,692.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,479.44 : 1,180,824.60 = 493,145.56 : x
  2. Step 2: Convert to fraction form
    855,479.44/1,180,824.60 = 493,145.56/x
  3. Step 3: Cross multiply
    855,479.44x = 1,180,824.60 × 493,145.56
  4. Step 4: Simplify right side
    855,479.44x = 582,318,408,628.78
  5. Step 5: Solve for x
    x = 582,318,408,628.78/855,479.44
  6. Step 6: Final answer
    x = 680,692.46

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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.