Finding the Fourth Proportional to 863,678.07, 1,295,683.18 and 331,157.54
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Solution
The fourth proportional to 863,678.07, 1,295,683.18 and 331,157.54 is: 496,799.99
Step by Step Solution
- Step 1: Write the proportion equation
863,678.07 : 1,295,683.18 = 331,157.54 : x - Step 2: Convert to fraction form
863,678.07/1,295,683.18 = 331,157.54/x - Step 3: Cross multiply
863,678.07x = 1,295,683.18 × 331,157.54 - Step 4: Simplify right side
863,678.07x = 429,075,256,919.49 - Step 5: Solve for x
x = 429,075,256,919.49/863,678.07 - Step 6: Final answer
x = 496,799.99
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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.