Finding the Fourth Proportional to 714,613.97, 1,072,365.35 and 445,270.95
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Solution
The fourth proportional to 714,613.97, 1,072,365.35 and 445,270.95 is: 668,183.32
Step by Step Solution
- Step 1: Write the proportion equation
714,613.97 : 1,072,365.35 = 445,270.95 : x - Step 2: Convert to fraction form
714,613.97/1,072,365.35 = 445,270.95/x - Step 3: Cross multiply
714,613.97x = 1,072,365.35 × 445,270.95 - Step 4: Simplify right side
714,613.97x = 477,493,135,915.23 - Step 5: Solve for x
x = 477,493,135,915.23/714,613.97 - Step 6: Final answer
x = 668,183.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.