Finding the Fourth Proportional to 504,429.57, 696,120.53 and 274,986.99
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Solution
The fourth proportional to 504,429.57, 696,120.53 and 274,986.99 is: 379,486.25
Step by Step Solution
- Step 1: Write the proportion equation
504,429.57 : 696,120.53 = 274,986.99 : x - Step 2: Convert to fraction form
504,429.57/696,120.53 = 274,986.99/x - Step 3: Cross multiply
504,429.57x = 696,120.53 × 274,986.99 - Step 4: Simplify right side
504,429.57x = 191,424,087,846.97 - Step 5: Solve for x
x = 191,424,087,846.97/504,429.57 - Step 6: Final answer
x = 379,486.25
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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.