Finding the Fourth Proportional to 838,495.84, 1,157,093.22 and 456,514.96
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Solution
The fourth proportional to 838,495.84, 1,157,093.22 and 456,514.96 is: 629,973.75
Step by Step Solution
- Step 1: Write the proportion equation
838,495.84 : 1,157,093.22 = 456,514.96 : x - Step 2: Convert to fraction form
838,495.84/1,157,093.22 = 456,514.96/x - Step 3: Cross multiply
838,495.84x = 1,157,093.22 × 456,514.96 - Step 4: Simplify right side
838,495.84x = 528,230,365,044.57 - Step 5: Solve for x
x = 528,230,365,044.57/838,495.84 - Step 6: Final answer
x = 629,973.75
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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.