Finding the Fourth Proportional to 996,514, 1,374,480.84 and 665,203.12
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Solution
The fourth proportional to 996,514, 1,374,480.84 and 665,203.12 is: 917,507.37
Step by Step Solution
- Step 1: Write the proportion equation
996,514 : 1,374,480.84 = 665,203.12 : x - Step 2: Convert to fraction form
996,514/1,374,480.84 = 665,203.12/x - Step 3: Cross multiply
996,514x = 1,374,480.84 × 665,203.12 - Step 4: Simplify right side
996,514x = 914,308,943,148.22 - Step 5: Solve for x
x = 914,308,943,148.22/996,514 - Step 6: Final answer
x = 917,507.37
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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.