Finding the Fourth Proportional to 921,722.22, 1,374,741.99 and 905,771.70
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Solution
The fourth proportional to 921,722.22, 1,374,741.99 and 905,771.70 is: 1,350,951.91
Step by Step Solution
- Step 1: Write the proportion equation
921,722.22 : 1,374,741.99 = 905,771.70 : x - Step 2: Convert to fraction form
921,722.22/1,374,741.99 = 905,771.70/x - Step 3: Cross multiply
921,722.22x = 1,374,741.99 × 905,771.70 - Step 4: Simplify right side
921,722.22x = 1,245,202,389,343.68 - Step 5: Solve for x
x = 1,245,202,389,343.68/921,722.22 - Step 6: Final answer
x = 1,350,951.91
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.