Home / 787,195.90-1,180,793.85-254,734.30

Finding the Fourth Proportional to 787,195.90, 1,180,793.85 and 254,734.30

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Solution

The fourth proportional to 787,195.90, 1,180,793.85 and 254,734.30 is: 382,101.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,195.90 : 1,180,793.85 = 254,734.30 : x
  2. Step 2: Convert to fraction form
    787,195.90/1,180,793.85 = 254,734.30/x
  3. Step 3: Cross multiply
    787,195.90x = 1,180,793.85 × 254,734.30
  4. Step 4: Simplify right side
    787,195.90x = 300,788,694,824.06
  5. Step 5: Solve for x
    x = 300,788,694,824.06/787,195.90
  6. Step 6: Final answer
    x = 382,101.45

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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.