Finding the Fourth Proportional to 911,708.88, 1,367,621.63 and 350,743.38
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Solution
The fourth proportional to 911,708.88, 1,367,621.63 and 350,743.38 is: 526,137.50
Step by Step Solution
- Step 1: Write the proportion equation
911,708.88 : 1,367,621.63 = 350,743.38 : x - Step 2: Convert to fraction form
911,708.88/1,367,621.63 = 350,743.38/x - Step 3: Cross multiply
911,708.88x = 1,367,621.63 × 350,743.38 - Step 4: Simplify right side
911,708.88x = 479,684,233,067.31 - Step 5: Solve for x
x = 479,684,233,067.31/911,708.88 - Step 6: Final answer
x = 526,137.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.