Finding the Fourth Proportional to 560,862.75, 773,986.56 and 306,213.94
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Solution
The fourth proportional to 560,862.75, 773,986.56 and 306,213.94 is: 422,573.03
Step by Step Solution
- Step 1: Write the proportion equation
560,862.75 : 773,986.56 = 306,213.94 : x - Step 2: Convert to fraction form
560,862.75/773,986.56 = 306,213.94/x - Step 3: Cross multiply
560,862.75x = 773,986.56 × 306,213.94 - Step 4: Simplify right side
560,862.75x = 237,005,474,044.65 - Step 5: Solve for x
x = 237,005,474,044.65/560,862.75 - Step 6: Final answer
x = 422,573.03
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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.