Finding the Fourth Proportional to 560,515.50, 773,527.79 and 305,883.09
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Solution
The fourth proportional to 560,515.50, 773,527.79 and 305,883.09 is: 422,127.62
Step by Step Solution
- Step 1: Write the proportion equation
560,515.50 : 773,527.79 = 305,883.09 : x - Step 2: Convert to fraction form
560,515.50/773,527.79 = 305,883.09/x - Step 3: Cross multiply
560,515.50x = 773,527.79 × 305,883.09 - Step 4: Simplify right side
560,515.50x = 236,609,071,370.78 - Step 5: Solve for x
x = 236,609,071,370.78/560,515.50 - Step 6: Final answer
x = 422,127.62
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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.