Finding the Fourth Proportional to 990,569.44, 1,486,067.52 and 307,442.08
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Solution
The fourth proportional to 990,569.44, 1,486,067.52 and 307,442.08 is: 461,229.34
Step by Step Solution
- Step 1: Write the proportion equation
990,569.44 : 1,486,067.52 = 307,442.08 : x - Step 2: Convert to fraction form
990,569.44/1,486,067.52 = 307,442.08/x - Step 3: Cross multiply
990,569.44x = 1,486,067.52 × 307,442.08 - Step 4: Simplify right side
990,569.44x = 456,879,689,369.24 - Step 5: Solve for x
x = 456,879,689,369.24/990,569.44 - Step 6: Final answer
x = 461,229.34
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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.