Finding the Fourth Proportional to 625,720.98, 863,489.75 and 353,842.26
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Solution
The fourth proportional to 625,720.98, 863,489.75 and 353,842.26 is: 488,299.37
Step by Step Solution
- Step 1: Write the proportion equation
625,720.98 : 863,489.75 = 353,842.26 : x - Step 2: Convert to fraction form
625,720.98/863,489.75 = 353,842.26/x - Step 3: Cross multiply
625,720.98x = 863,489.75 × 353,842.26 - Step 4: Simplify right side
625,720.98x = 305,539,162,857.62 - Step 5: Solve for x
x = 305,539,162,857.62/625,720.98 - Step 6: Final answer
x = 488,299.37
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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.