Home / 995,657.40-1,493,340.30-285,611.40

Finding the Fourth Proportional to 995,657.40, 1,493,340.30 and 285,611.40

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Solution

The fourth proportional to 995,657.40, 1,493,340.30 and 285,611.40 is: 428,375.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,657.40 : 1,493,340.30 = 285,611.40 : x
  2. Step 2: Convert to fraction form
    995,657.40/1,493,340.30 = 285,611.40/x
  3. Step 3: Cross multiply
    995,657.40x = 1,493,340.30 × 285,611.40
  4. Step 4: Simplify right side
    995,657.40x = 426,515,013,759.42
  5. Step 5: Solve for x
    x = 426,515,013,759.42/995,657.40
  6. Step 6: Final answer
    x = 428,375.28

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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.