Finding the Fourth Proportional to 863,371.73, 1,294,319.07 and 331,274.63
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Solution
The fourth proportional to 863,371.73, 1,294,319.07 and 331,274.63 is: 496,628.57
Step by Step Solution
- Step 1: Write the proportion equation
863,371.73 : 1,294,319.07 = 331,274.63 : x - Step 2: Convert to fraction form
863,371.73/1,294,319.07 = 331,274.63/x - Step 3: Cross multiply
863,371.73x = 1,294,319.07 × 331,274.63 - Step 4: Simplify right side
863,371.73x = 428,775,071,016.19 - Step 5: Solve for x
x = 428,775,071,016.19/863,371.73 - Step 6: Final answer
x = 496,628.57
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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.