Finding the Fourth Proportional to 649,734.49, 972,701.27 and 379,034.92
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Solution
The fourth proportional to 649,734.49, 972,701.27 and 379,034.92 is: 567,443.70
Step by Step Solution
- Step 1: Write the proportion equation
649,734.49 : 972,701.27 = 379,034.92 : x - Step 2: Convert to fraction form
649,734.49/972,701.27 = 379,034.92/x - Step 3: Cross multiply
649,734.49x = 972,701.27 × 379,034.92 - Step 4: Simplify right side
649,734.49x = 368,687,741,299.67 - Step 5: Solve for x
x = 368,687,741,299.67/649,734.49 - Step 6: Final answer
x = 567,443.70
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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.