Finding the Fourth Proportional to 861,728.95, 1,292,787.26 and 262,750.66
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Solution
The fourth proportional to 861,728.95, 1,292,787.26 and 262,750.66 is: 394,185.09
Step by Step Solution
- Step 1: Write the proportion equation
861,728.95 : 1,292,787.26 = 262,750.66 : x - Step 2: Convert to fraction form
861,728.95/1,292,787.26 = 262,750.66/x - Step 3: Cross multiply
861,728.95x = 1,292,787.26 × 262,750.66 - Step 4: Simplify right side
861,728.95x = 339,680,705,804.59 - Step 5: Solve for x
x = 339,680,705,804.59/861,728.95 - Step 6: Final answer
x = 394,185.09
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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.