Finding the Fourth Proportional to 633,489.62, 874,229.78 and 361,552.05
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Solution
The fourth proportional to 633,489.62, 874,229.78 and 361,552.05 is: 498,949.88
Step by Step Solution
- Step 1: Write the proportion equation
633,489.62 : 874,229.78 = 361,552.05 : x - Step 2: Convert to fraction form
633,489.62/874,229.78 = 361,552.05/x - Step 3: Cross multiply
633,489.62x = 874,229.78 × 361,552.05 - Step 4: Simplify right side
633,489.62x = 316,079,570,033.93 - Step 5: Solve for x
x = 316,079,570,033.93/633,489.62 - Step 6: Final answer
x = 498,949.88
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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.