Home / 995,491.80-1,493,237.70-285,591.60

Finding the Fourth Proportional to 995,491.80, 1,493,237.70 and 285,591.60

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Solution

The fourth proportional to 995,491.80, 1,493,237.70 and 285,591.60 is: 428,387.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,491.80 : 1,493,237.70 = 285,591.60 : x
  2. Step 2: Convert to fraction form
    995,491.80/1,493,237.70 = 285,591.60/x
  3. Step 3: Cross multiply
    995,491.80x = 1,493,237.70 × 285,591.60
  4. Step 4: Simplify right side
    995,491.80x = 426,456,143,923.32
  5. Step 5: Solve for x
    x = 426,456,143,923.32/995,491.80
  6. Step 6: Final answer
    x = 428,387.40

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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.