Finding the Fourth Proportional to 863,367.24, 1,294,312.31 and 331,270.14
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Solution
The fourth proportional to 863,367.24, 1,294,312.31 and 331,270.14 is: 496,621.83
Step by Step Solution
- Step 1: Write the proportion equation
863,367.24 : 1,294,312.31 = 331,270.14 : x - Step 2: Convert to fraction form
863,367.24/1,294,312.31 = 331,270.14/x - Step 3: Cross multiply
863,367.24x = 1,294,312.31 × 331,270.14 - Step 4: Simplify right side
863,367.24x = 428,767,018,481.07 - Step 5: Solve for x
x = 428,767,018,481.07/863,367.24 - Step 6: Final answer
x = 496,621.83
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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.