Home / 789,704.26-1,089,792.09-445,613.14

Finding the Fourth Proportional to 789,704.26, 1,089,792.09 and 445,613.14

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Solution

The fourth proportional to 789,704.26, 1,089,792.09 and 445,613.14 is: 614,946.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,704.26 : 1,089,792.09 = 445,613.14 : x
  2. Step 2: Convert to fraction form
    789,704.26/1,089,792.09 = 445,613.14/x
  3. Step 3: Cross multiply
    789,704.26x = 1,089,792.09 × 445,613.14
  4. Step 4: Simplify right side
    789,704.26x = 485,625,675,172.06
  5. Step 5: Solve for x
    x = 485,625,675,172.06/789,704.26
  6. Step 6: Final answer
    x = 614,946.25

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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.