Finding the Fourth Proportional to 486,317.97, 727,982.19 and 414,573.42
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Solution
The fourth proportional to 486,317.97, 727,982.19 and 414,573.42 is: 620,585.88
Step by Step Solution
- Step 1: Write the proportion equation
486,317.97 : 727,982.19 = 414,573.42 : x - Step 2: Convert to fraction form
486,317.97/727,982.19 = 414,573.42/x - Step 3: Cross multiply
486,317.97x = 727,982.19 × 414,573.42 - Step 4: Simplify right side
486,317.97x = 301,802,066,207.39 - Step 5: Solve for x
x = 301,802,066,207.39/486,317.97 - Step 6: Final answer
x = 620,585.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.