Home / 995,510.80-1,493,266.20-285,475.60

Finding the Fourth Proportional to 995,510.80, 1,493,266.20 and 285,475.60

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Solution

The fourth proportional to 995,510.80, 1,493,266.20 and 285,475.60 is: 428,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,510.80 : 1,493,266.20 = 285,475.60 : x
  2. Step 2: Convert to fraction form
    995,510.80/1,493,266.20 = 285,475.60/x
  3. Step 3: Cross multiply
    995,510.80x = 1,493,266.20 × 285,475.60
  4. Step 4: Simplify right side
    995,510.80x = 426,291,064,404.72
  5. Step 5: Solve for x
    x = 426,291,064,404.72/995,510.80
  6. Step 6: Final answer
    x = 428,213.40

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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.