Finding the Fourth Proportional to 646,169.08, 891,796.90 and 370,634.44
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Solution
The fourth proportional to 646,169.08, 891,796.90 and 370,634.44 is: 511,523.46
Step by Step Solution
- Step 1: Write the proportion equation
646,169.08 : 891,796.90 = 370,634.44 : x - Step 2: Convert to fraction form
646,169.08/891,796.90 = 370,634.44/x - Step 3: Cross multiply
646,169.08x = 891,796.90 × 370,634.44 - Step 4: Simplify right side
646,169.08x = 330,530,644,625.24 - Step 5: Solve for x
x = 330,530,644,625.24/646,169.08 - Step 6: Final answer
x = 511,523.46
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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.