Finding the Fourth Proportional to 970,827.70, 1,339,748.49 and 541,135.12
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Solution
The fourth proportional to 970,827.70, 1,339,748.49 and 541,135.12 is: 746,769.96
Step by Step Solution
- Step 1: Write the proportion equation
970,827.70 : 1,339,748.49 = 541,135.12 : x - Step 2: Convert to fraction form
970,827.70/1,339,748.49 = 541,135.12/x - Step 3: Cross multiply
970,827.70x = 1,339,748.49 × 541,135.12 - Step 4: Simplify right side
970,827.70x = 724,984,959,905.97 - Step 5: Solve for x
x = 724,984,959,905.97/970,827.70 - Step 6: Final answer
x = 746,769.96
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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.