Finding the Fourth Proportional to 703,448.11, 970,759.26 and 381,157.96
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Solution
The fourth proportional to 703,448.11, 970,759.26 and 381,157.96 is: 525,998.46
Step by Step Solution
- Step 1: Write the proportion equation
703,448.11 : 970,759.26 = 381,157.96 : x - Step 2: Convert to fraction form
703,448.11/970,759.26 = 381,157.96/x - Step 3: Cross multiply
703,448.11x = 970,759.26 × 381,157.96 - Step 4: Simplify right side
703,448.11x = 370,012,619,192.71 - Step 5: Solve for x
x = 370,012,619,192.71/703,448.11 - Step 6: Final answer
x = 525,998.46
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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.