Finding the Fourth Proportional to 714,951.48, 1,070,121.78 and 394,599
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Solution
The fourth proportional to 714,951.48, 1,070,121.78 and 394,599 is: 590,626.07
Step by Step Solution
- Step 1: Write the proportion equation
714,951.48 : 1,070,121.78 = 394,599 : x - Step 2: Convert to fraction form
714,951.48/1,070,121.78 = 394,599/x - Step 3: Cross multiply
714,951.48x = 1,070,121.78 × 394,599 - Step 4: Simplify right side
714,951.48x = 422,268,984,266.22 - Step 5: Solve for x
x = 422,268,984,266.22/714,951.48 - Step 6: Final answer
x = 590,626.07
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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.