Finding the Fourth Proportional to 622,446.89, 932,173.55 and 355,397.99
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Solution
The fourth proportional to 622,446.89, 932,173.55 and 355,397.99 is: 532,242.37
Step by Step Solution
- Step 1: Write the proportion equation
622,446.89 : 932,173.55 = 355,397.99 : x - Step 2: Convert to fraction form
622,446.89/932,173.55 = 355,397.99/x - Step 3: Cross multiply
622,446.89x = 932,173.55 × 355,397.99 - Step 4: Simplify right side
622,446.89x = 331,292,606,001.17 - Step 5: Solve for x
x = 331,292,606,001.17/622,446.89 - Step 6: Final answer
x = 532,242.37
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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.