Finding the Fourth Proportional to 783,265.68, 1,080,902.88 and 443,733.12
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Solution
The fourth proportional to 783,265.68, 1,080,902.88 and 443,733.12 is: 612,349.58
Step by Step Solution
- Step 1: Write the proportion equation
783,265.68 : 1,080,902.88 = 443,733.12 : x - Step 2: Convert to fraction form
783,265.68/1,080,902.88 = 443,733.12/x - Step 3: Cross multiply
783,265.68x = 1,080,902.88 × 443,733.12 - Step 4: Simplify right side
783,265.68x = 479,632,407,359.39 - Step 5: Solve for x
x = 479,632,407,359.39/783,265.68 - Step 6: Final answer
x = 612,349.58
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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.