Finding the Fourth Proportional to 804,621.36, 1,110,396.06 and 442,067.88
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Solution
The fourth proportional to 804,621.36, 1,110,396.06 and 442,067.88 is: 610,063.88
Step by Step Solution
- Step 1: Write the proportion equation
804,621.36 : 1,110,396.06 = 442,067.88 : x - Step 2: Convert to fraction form
804,621.36/1,110,396.06 = 442,067.88/x - Step 3: Cross multiply
804,621.36x = 1,110,396.06 × 442,067.88 - Step 4: Simplify right side
804,621.36x = 490,870,432,204.55 - Step 5: Solve for x
x = 490,870,432,204.55/804,621.36 - Step 6: Final answer
x = 610,063.88
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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.