Finding the Fourth Proportional to 971,676.27, 1,340,915.58 and 541,984.23
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Solution
The fourth proportional to 971,676.27, 1,340,915.58 and 541,984.23 is: 747,939.54
Step by Step Solution
- Step 1: Write the proportion equation
971,676.27 : 1,340,915.58 = 541,984.23 : x - Step 2: Convert to fraction form
971,676.27/1,340,915.58 = 541,984.23/x - Step 3: Cross multiply
971,676.27x = 1,340,915.58 × 541,984.23 - Step 4: Simplify right side
971,676.27x = 726,755,098,121.30 - Step 5: Solve for x
x = 726,755,098,121.30/971,676.27 - Step 6: Final answer
x = 747,939.54
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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.