Finding the Fourth Proportional to 971,676.09, 1,340,906.54 and 536,115.87
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Solution
The fourth proportional to 971,676.09, 1,340,906.54 and 536,115.87 is: 739,836.33
Step by Step Solution
- Step 1: Write the proportion equation
971,676.09 : 1,340,906.54 = 536,115.87 : x - Step 2: Convert to fraction form
971,676.09/1,340,906.54 = 536,115.87/x - Step 3: Cross multiply
971,676.09x = 1,340,906.54 × 536,115.87 - Step 4: Simplify right side
971,676.09x = 718,881,273,600.21 - Step 5: Solve for x
x = 718,881,273,600.21/971,676.09 - Step 6: Final answer
x = 739,836.33
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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.