Finding the Fourth Proportional to 852,297.08, 1,278,113.34 and 319,527.68
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Solution
The fourth proportional to 852,297.08, 1,278,113.34 and 319,527.68 is: 479,166.95
Step by Step Solution
- Step 1: Write the proportion equation
852,297.08 : 1,278,113.34 = 319,527.68 : x - Step 2: Convert to fraction form
852,297.08/1,278,113.34 = 319,527.68/x - Step 3: Cross multiply
852,297.08x = 1,278,113.34 × 319,527.68 - Step 4: Simplify right side
852,297.08x = 408,392,590,307.25 - Step 5: Solve for x
x = 408,392,590,307.25/852,297.08 - Step 6: Final answer
x = 479,166.95
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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.