Finding the Fourth Proportional to 857,715.57, 1,286,573.34 and 296,750.07
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Solution
The fourth proportional to 857,715.57, 1,286,573.34 and 296,750.07 is: 445,125.10
Step by Step Solution
- Step 1: Write the proportion equation
857,715.57 : 1,286,573.34 = 296,750.07 : x - Step 2: Convert to fraction form
857,715.57/1,286,573.34 = 296,750.07/x - Step 3: Cross multiply
857,715.57x = 1,286,573.34 × 296,750.07 - Step 4: Simplify right side
857,715.57x = 381,790,728,705.13 - Step 5: Solve for x
x = 381,790,728,705.13/857,715.57 - Step 6: Final answer
x = 445,125.10
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.