Home / 995,939.20-1,493,908.80-247,985.20

Finding the Fourth Proportional to 995,939.20, 1,493,908.80 and 247,985.20

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Solution

The fourth proportional to 995,939.20, 1,493,908.80 and 247,985.20 is: 371,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,939.20 : 1,493,908.80 = 247,985.20 : x
  2. Step 2: Convert to fraction form
    995,939.20/1,493,908.80 = 247,985.20/x
  3. Step 3: Cross multiply
    995,939.20x = 1,493,908.80 × 247,985.20
  4. Step 4: Simplify right side
    995,939.20x = 370,467,272,549.76
  5. Step 5: Solve for x
    x = 370,467,272,549.76/995,939.20
  6. Step 6: Final answer
    x = 371,977.80

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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.