Finding the Fourth Proportional to 703,582.92, 970,992.96 and 428,048.26
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Solution
The fourth proportional to 703,582.92, 970,992.96 and 428,048.26 is: 590,736.12
Step by Step Solution
- Step 1: Write the proportion equation
703,582.92 : 970,992.96 = 428,048.26 : x - Step 2: Convert to fraction form
703,582.92/970,992.96 = 428,048.26/x - Step 3: Cross multiply
703,582.92x = 970,992.96 × 428,048.26 - Step 4: Simplify right side
703,582.92x = 415,631,847,000.25 - Step 5: Solve for x
x = 415,631,847,000.25/703,582.92 - Step 6: Final answer
x = 590,736.12
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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.