Finding the Fourth Proportional to 489,050.72, 674,657.58 and 325,783.12
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Solution
The fourth proportional to 489,050.72, 674,657.58 and 325,783.12 is: 449,425.88
Step by Step Solution
- Step 1: Write the proportion equation
489,050.72 : 674,657.58 = 325,783.12 : x - Step 2: Convert to fraction form
489,050.72/674,657.58 = 325,783.12/x - Step 3: Cross multiply
489,050.72x = 674,657.58 × 325,783.12 - Step 4: Simplify right side
489,050.72x = 219,792,051,344.05 - Step 5: Solve for x
x = 219,792,051,344.05/489,050.72 - Step 6: Final answer
x = 449,425.88
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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.