Finding the Fourth Proportional to 853,836.76, 1,280,566.50 and 246,493.09
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Solution
The fourth proportional to 853,836.76, 1,280,566.50 and 246,493.09 is: 369,685.17
Step by Step Solution
- Step 1: Write the proportion equation
853,836.76 : 1,280,566.50 = 246,493.09 : x - Step 2: Convert to fraction form
853,836.76/1,280,566.50 = 246,493.09/x - Step 3: Cross multiply
853,836.76x = 1,280,566.50 × 246,493.09 - Step 4: Simplify right side
853,836.76x = 315,650,788,395.18 - Step 5: Solve for x
x = 315,650,788,395.18/853,836.76 - Step 6: Final answer
x = 369,685.17
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1.5x scale
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.