Finding the Fourth Proportional to 560,861.75, 773,985.18 and 306,212.94
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Solution
The fourth proportional to 560,861.75, 773,985.18 and 306,212.94 is: 422,571.65
Step by Step Solution
- Step 1: Write the proportion equation
560,861.75 : 773,985.18 = 306,212.94 : x - Step 2: Convert to fraction form
560,861.75/773,985.18 = 306,212.94/x - Step 3: Cross multiply
560,861.75x = 773,985.18 × 306,212.94 - Step 4: Simplify right side
560,861.75x = 237,004,277,484.23 - Step 5: Solve for x
x = 237,004,277,484.23/560,861.75 - Step 6: Final answer
x = 422,571.65
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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.