Home / 789,619.04-1,089,172.62-517,704.56

Finding the Fourth Proportional to 789,619.04, 1,089,172.62 and 517,704.56

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Solution

The fourth proportional to 789,619.04, 1,089,172.62 and 517,704.56 is: 714,103.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,619.04 : 1,089,172.62 = 517,704.56 : x
  2. Step 2: Convert to fraction form
    789,619.04/1,089,172.62 = 517,704.56/x
  3. Step 3: Cross multiply
    789,619.04x = 1,089,172.62 × 517,704.56
  4. Step 4: Simplify right side
    789,619.04x = 563,869,632,001.15
  5. Step 5: Solve for x
    x = 563,869,632,001.15/789,619.04
  6. Step 6: Final answer
    x = 714,103.39

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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.