Finding the Fourth Proportional to 703,599.20, 970,967.69 and 381,309.31
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Solution
The fourth proportional to 703,599.20, 970,967.69 and 381,309.31 is: 526,207.28
Step by Step Solution
- Step 1: Write the proportion equation
703,599.20 : 970,967.69 = 381,309.31 : x - Step 2: Convert to fraction form
703,599.20/970,967.69 = 381,309.31/x - Step 3: Cross multiply
703,599.20x = 970,967.69 × 381,309.31 - Step 4: Simplify right side
703,599.20x = 370,239,019,906.19 - Step 5: Solve for x
x = 370,239,019,906.19/703,599.20 - Step 6: Final answer
x = 526,207.28
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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.