Finding the Fourth Proportional to 625,199.70, 862,458.16 and 395,369.92
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Solution
The fourth proportional to 625,199.70, 862,458.16 and 395,369.92 is: 545,409.75
Step by Step Solution
- Step 1: Write the proportion equation
625,199.70 : 862,458.16 = 395,369.92 : x - Step 2: Convert to fraction form
625,199.70/862,458.16 = 395,369.92/x - Step 3: Cross multiply
625,199.70x = 862,458.16 × 395,369.92 - Step 4: Simplify right side
625,199.70x = 340,990,013,722.55 - Step 5: Solve for x
x = 340,990,013,722.55/625,199.70 - Step 6: Final answer
x = 545,409.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.