Finding the Fourth Proportional to 775,009.68, 1,162,644.12 and 242,424.96
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Solution
The fourth proportional to 775,009.68, 1,162,644.12 and 242,424.96 is: 363,677.98
Step by Step Solution
- Step 1: Write the proportion equation
775,009.68 : 1,162,644.12 = 242,424.96 : x - Step 2: Convert to fraction form
775,009.68/1,162,644.12 = 242,424.96/x - Step 3: Cross multiply
775,009.68x = 1,162,644.12 × 242,424.96 - Step 4: Simplify right side
775,009.68x = 281,853,954,285.24 - Step 5: Solve for x
x = 281,853,954,285.24/775,009.68 - Step 6: Final answer
x = 363,677.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.