Finding the Fourth Proportional to 863,569.68, 1,295,369.64 and 331,121.04
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Solution
The fourth proportional to 863,569.68, 1,295,369.64 and 331,121.04 is: 496,687.36
Step by Step Solution
- Step 1: Write the proportion equation
863,569.68 : 1,295,369.64 = 331,121.04 : x - Step 2: Convert to fraction form
863,569.68/1,295,369.64 = 331,121.04/x - Step 3: Cross multiply
863,569.68x = 1,295,369.64 × 331,121.04 - Step 4: Simplify right side
863,569.68x = 428,924,142,381.23 - Step 5: Solve for x
x = 428,924,142,381.23/863,569.68 - Step 6: Final answer
x = 496,687.36
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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.