Finding the Fourth Proportional to 703,466.28, 970,725.96 and 397,568.88
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Solution
The fourth proportional to 703,466.28, 970,725.96 and 397,568.88 is: 548,612.55
Step by Step Solution
- Step 1: Write the proportion equation
703,466.28 : 970,725.96 = 397,568.88 : x - Step 2: Convert to fraction form
703,466.28/970,725.96 = 397,568.88/x - Step 3: Cross multiply
703,466.28x = 970,725.96 × 397,568.88 - Step 4: Simplify right side
703,466.28x = 385,930,432,704.13 - Step 5: Solve for x
x = 385,930,432,704.13/703,466.28 - Step 6: Final answer
x = 548,612.55
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1.5x scale
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.