Home / 995,118.56-1,492,767.48-321,215.84

Finding the Fourth Proportional to 995,118.56, 1,492,767.48 and 321,215.84

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Solution

The fourth proportional to 995,118.56, 1,492,767.48 and 321,215.84 is: 481,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,118.56 : 1,492,767.48 = 321,215.84 : x
  2. Step 2: Convert to fraction form
    995,118.56/1,492,767.48 = 321,215.84/x
  3. Step 3: Cross multiply
    995,118.56x = 1,492,767.48 × 321,215.84
  4. Step 4: Simplify right side
    995,118.56x = 479,500,560,012.88
  5. Step 5: Solve for x
    x = 479,500,560,012.88/995,118.56
  6. Step 6: Final answer
    x = 481,852.70

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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.