Finding the Fourth Proportional to 895,067.75, 1,235,198.63 and 487,168.62
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Solution
The fourth proportional to 895,067.75, 1,235,198.63 and 487,168.62 is: 672,295.49
Step by Step Solution
- Step 1: Write the proportion equation
895,067.75 : 1,235,198.63 = 487,168.62 : x - Step 2: Convert to fraction form
895,067.75/1,235,198.63 = 487,168.62/x - Step 3: Cross multiply
895,067.75x = 1,235,198.63 × 487,168.62 - Step 4: Simplify right side
895,067.75x = 601,750,009,567.15 - Step 5: Solve for x
x = 601,750,009,567.15/895,067.75 - Step 6: Final answer
x = 672,295.49
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1.5x scale
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.