Finding the Fourth Proportional to 634,841.61, 876,080.19 and 344,453.09
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Solution
The fourth proportional to 634,841.61, 876,080.19 and 344,453.09 is: 475,344.58
Step by Step Solution
- Step 1: Write the proportion equation
634,841.61 : 876,080.19 = 344,453.09 : x - Step 2: Convert to fraction form
634,841.61/876,080.19 = 344,453.09/x - Step 3: Cross multiply
634,841.61x = 876,080.19 × 344,453.09 - Step 4: Simplify right side
634,841.61x = 301,768,522,861.19 - Step 5: Solve for x
x = 301,768,522,861.19/634,841.61 - Step 6: Final answer
x = 475,344.58
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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.