Home / 995,190.80-1,492,786.20-247,236.80

Finding the Fourth Proportional to 995,190.80, 1,492,786.20 and 247,236.80

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Solution

The fourth proportional to 995,190.80, 1,492,786.20 and 247,236.80 is: 370,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,190.80 : 1,492,786.20 = 247,236.80 : x
  2. Step 2: Convert to fraction form
    995,190.80/1,492,786.20 = 247,236.80/x
  3. Step 3: Cross multiply
    995,190.80x = 1,492,786.20 × 247,236.80
  4. Step 4: Simplify right side
    995,190.80x = 369,071,683,172.16
  5. Step 5: Solve for x
    x = 369,071,683,172.16/995,190.80
  6. Step 6: Final answer
    x = 370,855.20

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Double scale
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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.