Finding the Fourth Proportional to 703,129.54, 970,378.44 and 397,262.14
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Solution
The fourth proportional to 703,129.54, 970,378.44 and 397,262.14 is: 548,255.47
Step by Step Solution
- Step 1: Write the proportion equation
703,129.54 : 970,378.44 = 397,262.14 : x - Step 2: Convert to fraction form
703,129.54/970,378.44 = 397,262.14/x - Step 3: Cross multiply
703,129.54x = 970,378.44 × 397,262.14 - Step 4: Simplify right side
703,129.54x = 385,494,615,684.26 - Step 5: Solve for x
x = 385,494,615,684.26/703,129.54 - Step 6: Final answer
x = 548,255.47
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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.