Home / 789,170.96-1,089,122.64-483,245.84

Finding the Fourth Proportional to 789,170.96, 1,089,122.64 and 483,245.84

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Solution

The fourth proportional to 789,170.96, 1,089,122.64 and 483,245.84 is: 666,920.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,170.96 : 1,089,122.64 = 483,245.84 : x
  2. Step 2: Convert to fraction form
    789,170.96/1,089,122.64 = 483,245.84/x
  3. Step 3: Cross multiply
    789,170.96x = 1,089,122.64 × 483,245.84
  4. Step 4: Simplify right side
    789,170.96x = 526,313,985,029.82
  5. Step 5: Solve for x
    x = 526,313,985,029.82/789,170.96
  6. Step 6: Final answer
    x = 666,920.11

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.