Finding the Fourth Proportional to 494,623.63, 682,518.55 and 293,380.75
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Solution
The fourth proportional to 494,623.63, 682,518.55 and 293,380.75 is: 404,828.63
Step by Step Solution
- Step 1: Write the proportion equation
494,623.63 : 682,518.55 = 293,380.75 : x - Step 2: Convert to fraction form
494,623.63/682,518.55 = 293,380.75/x - Step 3: Cross multiply
494,623.63x = 682,518.55 × 293,380.75 - Step 4: Simplify right side
494,623.63x = 200,237,804,087.91 - Step 5: Solve for x
x = 200,237,804,087.91/494,623.63 - Step 6: Final answer
x = 404,828.63
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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.