Finding the Fourth Proportional to 971,791.38, 1,341,062.88 and 536,212.62
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Solution
The fourth proportional to 971,791.38, 1,341,062.88 and 536,212.62 is: 739,968.33
Step by Step Solution
- Step 1: Write the proportion equation
971,791.38 : 1,341,062.88 = 536,212.62 : x - Step 2: Convert to fraction form
971,791.38/1,341,062.88 = 536,212.62/x - Step 3: Cross multiply
971,791.38x = 1,341,062.88 × 536,212.62 - Step 4: Simplify right side
971,791.38x = 719,094,840,469.55 - Step 5: Solve for x
x = 719,094,840,469.55/971,791.38 - Step 6: Final answer
x = 739,968.33
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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.