Finding the Fourth Proportional to 703,101.99, 970,359.61 and 397,198.08
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Solution
The fourth proportional to 703,101.99, 970,359.61 and 397,198.08 is: 548,177.90
Step by Step Solution
- Step 1: Write the proportion equation
703,101.99 : 970,359.61 = 397,198.08 : x - Step 2: Convert to fraction form
703,101.99/970,359.61 = 397,198.08/x - Step 3: Cross multiply
703,101.99x = 970,359.61 × 397,198.08 - Step 4: Simplify right side
703,101.99x = 385,424,967,163.76 - Step 5: Solve for x
x = 385,424,967,163.76/703,101.99 - Step 6: Final answer
x = 548,177.90
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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.