Home / 789,668.08-1,089,738.49-427,092.37

Finding the Fourth Proportional to 789,668.08, 1,089,738.49 and 427,092.37

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Solution

The fourth proportional to 789,668.08, 1,089,738.49 and 427,092.37 is: 589,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,668.08 : 1,089,738.49 = 427,092.37 : x
  2. Step 2: Convert to fraction form
    789,668.08/1,089,738.49 = 427,092.37/x
  3. Step 3: Cross multiply
    789,668.08x = 1,089,738.49 × 427,092.37
  4. Step 4: Simplify right side
    789,668.08x = 465,418,994,374.32
  5. Step 5: Solve for x
    x = 465,418,994,374.32/789,668.08
  6. Step 6: Final answer
    x = 589,385.60

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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.