Home / 949,493.53-1,310,300.97-513,910.80

Finding the Fourth Proportional to 949,493.53, 1,310,300.97 and 513,910.80

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Solution

The fourth proportional to 949,493.53, 1,310,300.97 and 513,910.80 is: 709,196.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,493.53 : 1,310,300.97 = 513,910.80 : x
  2. Step 2: Convert to fraction form
    949,493.53/1,310,300.97 = 513,910.80/x
  3. Step 3: Cross multiply
    949,493.53x = 1,310,300.97 × 513,910.80
  4. Step 4: Simplify right side
    949,493.53x = 673,377,813,213.88
  5. Step 5: Solve for x
    x = 673,377,813,213.88/949,493.53
  6. Step 6: Final answer
    x = 709,196.85

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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.