Home / 789,766.80-1,184,650.20-470,902.20

Finding the Fourth Proportional to 789,766.80, 1,184,650.20 and 470,902.20

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Solution

The fourth proportional to 789,766.80, 1,184,650.20 and 470,902.20 is: 706,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,766.80 : 1,184,650.20 = 470,902.20 : x
  2. Step 2: Convert to fraction form
    789,766.80/1,184,650.20 = 470,902.20/x
  3. Step 3: Cross multiply
    789,766.80x = 1,184,650.20 × 470,902.20
  4. Step 4: Simplify right side
    789,766.80x = 557,854,385,410.44
  5. Step 5: Solve for x
    x = 557,854,385,410.44/789,766.80
  6. Step 6: Final answer
    x = 706,353.30

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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.