Finding the Fourth Proportional to 732,528.36, 1,010,893.37 and 405,851.68
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Solution
The fourth proportional to 732,528.36, 1,010,893.37 and 405,851.68 is: 560,077.66
Step by Step Solution
- Step 1: Write the proportion equation
732,528.36 : 1,010,893.37 = 405,851.68 : x - Step 2: Convert to fraction form
732,528.36/1,010,893.37 = 405,851.68/x - Step 3: Cross multiply
732,528.36x = 1,010,893.37 × 405,851.68 - Step 4: Simplify right side
732,528.36x = 410,272,771,749.72 - Step 5: Solve for x
x = 410,272,771,749.72/732,528.36 - Step 6: Final answer
x = 560,077.66
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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.