Finding the Fourth Proportional to 703,568.88, 970,943.49 and 431,787.42
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Solution
The fourth proportional to 703,568.88, 970,943.49 and 431,787.42 is: 595,877.95
Step by Step Solution
- Step 1: Write the proportion equation
703,568.88 : 970,943.49 = 431,787.42 : x - Step 2: Convert to fraction form
703,568.88/970,943.49 = 431,787.42/x - Step 3: Cross multiply
703,568.88x = 970,943.49 × 431,787.42 - Step 4: Simplify right side
703,568.88x = 419,241,184,512.90 - Step 5: Solve for x
x = 419,241,184,512.90/703,568.88 - Step 6: Final answer
x = 595,877.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.