Finding the Fourth Proportional to 641,180.84, 884,861.86 and 386,614.12
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Solution
The fourth proportional to 641,180.84, 884,861.86 and 386,614.12 is: 533,546.96
Step by Step Solution
- Step 1: Write the proportion equation
641,180.84 : 884,861.86 = 386,614.12 : x - Step 2: Convert to fraction form
641,180.84/884,861.86 = 386,614.12/x - Step 3: Cross multiply
641,180.84x = 884,861.86 × 386,614.12 - Step 4: Simplify right side
641,180.84x = 342,100,089,325.46 - Step 5: Solve for x
x = 342,100,089,325.46/641,180.84 - Step 6: Final answer
x = 533,546.96
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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.