Home / 789,608.13-1,089,669.84-445,443

Finding the Fourth Proportional to 789,608.13, 1,089,669.84 and 445,443

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Solution

The fourth proportional to 789,608.13, 1,089,669.84 and 445,443 is: 614,717.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,608.13 : 1,089,669.84 = 445,443 : x
  2. Step 2: Convert to fraction form
    789,608.13/1,089,669.84 = 445,443/x
  3. Step 3: Cross multiply
    789,608.13x = 1,089,669.84 × 445,443
  4. Step 4: Simplify right side
    789,608.13x = 485,385,802,539.12
  5. Step 5: Solve for x
    x = 485,385,802,539.12/789,608.13
  6. Step 6: Final answer
    x = 614,717.33

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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.