Finding the Fourth Proportional to 850,679.74, 1,173,990.30 and 468,706.42
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Solution
The fourth proportional to 850,679.74, 1,173,990.30 and 468,706.42 is: 646,843.65
Step by Step Solution
- Step 1: Write the proportion equation
850,679.74 : 1,173,990.30 = 468,706.42 : x - Step 2: Convert to fraction form
850,679.74/1,173,990.30 = 468,706.42/x - Step 3: Cross multiply
850,679.74x = 1,173,990.30 × 468,706.42 - Step 4: Simplify right side
850,679.74x = 550,256,790,627.73 - Step 5: Solve for x
x = 550,256,790,627.73/850,679.74 - Step 6: Final answer
x = 646,843.65
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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.