Home / 995,711.20-1,493,372.40-330,863.20

Finding the Fourth Proportional to 995,711.20, 1,493,372.40 and 330,863.20

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Solution

The fourth proportional to 995,711.20, 1,493,372.40 and 330,863.20 is: 496,230.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,711.20 : 1,493,372.40 = 330,863.20 : x
  2. Step 2: Convert to fraction form
    995,711.20/1,493,372.40 = 330,863.20/x
  3. Step 3: Cross multiply
    995,711.20x = 1,493,372.40 × 330,863.20
  4. Step 4: Simplify right side
    995,711.20x = 494,101,971,055.68
  5. Step 5: Solve for x
    x = 494,101,971,055.68/995,711.20
  6. Step 6: Final answer
    x = 496,230.20

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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.