Home / 787,195.40-1,180,793.10-254,733.80

Finding the Fourth Proportional to 787,195.40, 1,180,793.10 and 254,733.80

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Solution

The fourth proportional to 787,195.40, 1,180,793.10 and 254,733.80 is: 382,100.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,195.40 : 1,180,793.10 = 254,733.80 : x
  2. Step 2: Convert to fraction form
    787,195.40/1,180,793.10 = 254,733.80/x
  3. Step 3: Cross multiply
    787,195.40x = 1,180,793.10 × 254,733.80
  4. Step 4: Simplify right side
    787,195.40x = 300,787,913,376.78
  5. Step 5: Solve for x
    x = 300,787,913,376.78/787,195.40
  6. Step 6: Final answer
    x = 382,100.70

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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.