Finding the Fourth Proportional to 703,120.56, 970,366.04 and 397,253.12
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Solution
The fourth proportional to 703,120.56, 970,366.04 and 397,253.12 is: 548,243.02
Step by Step Solution
- Step 1: Write the proportion equation
703,120.56 : 970,366.04 = 397,253.12 : x - Step 2: Convert to fraction form
703,120.56/970,366.04 = 397,253.12/x - Step 3: Cross multiply
703,120.56x = 970,366.04 × 397,253.12 - Step 4: Simplify right side
703,120.56x = 385,480,936,932.05 - Step 5: Solve for x
x = 385,480,936,932.05/703,120.56 - Step 6: Final answer
x = 548,243.02
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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.