Finding the Fourth Proportional to 698,950.80, 1,046,850.60 and 489,523.44
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Solution
The fourth proportional to 698,950.80, 1,046,850.60 and 489,523.44 is: 733,181.66
Step by Step Solution
- Step 1: Write the proportion equation
698,950.80 : 1,046,850.60 = 489,523.44 : x - Step 2: Convert to fraction form
698,950.80/1,046,850.60 = 489,523.44/x - Step 3: Cross multiply
698,950.80x = 1,046,850.60 × 489,523.44 - Step 4: Simplify right side
698,950.80x = 512,457,906,878.06 - Step 5: Solve for x
x = 512,457,906,878.06/698,950.80 - Step 6: Final answer
x = 733,181.66
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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.