Finding the Fourth Proportional to 751,452.19, 1,037,007.66 and 449,646.19
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Solution
The fourth proportional to 751,452.19, 1,037,007.66 and 449,646.19 is: 620,513.92
Step by Step Solution
- Step 1: Write the proportion equation
751,452.19 : 1,037,007.66 = 449,646.19 : x - Step 2: Convert to fraction form
751,452.19/1,037,007.66 = 449,646.19/x - Step 3: Cross multiply
751,452.19x = 1,037,007.66 × 449,646.19 - Step 4: Simplify right side
751,452.19x = 466,286,542,413.47 - Step 5: Solve for x
x = 466,286,542,413.47/751,452.19 - Step 6: Final answer
x = 620,513.92
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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.