Home / 789,394.36-1,089,115.54-483,151.48

Finding the Fourth Proportional to 789,394.36, 1,089,115.54 and 483,151.48

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Solution

The fourth proportional to 789,394.36, 1,089,115.54 and 483,151.48 is: 666,596.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,394.36 : 1,089,115.54 = 483,151.48 : x
  2. Step 2: Convert to fraction form
    789,394.36/1,089,115.54 = 483,151.48/x
  3. Step 3: Cross multiply
    789,394.36x = 1,089,115.54 × 483,151.48
  4. Step 4: Simplify right side
    789,394.36x = 526,207,787,237.61
  5. Step 5: Solve for x
    x = 526,207,787,237.61/789,394.36
  6. Step 6: Final answer
    x = 666,596.84

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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.