Finding the Fourth Proportional to 721,283.14, 995,284.00 and 415,458.98
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Solution
The fourth proportional to 721,283.14, 995,284.00 and 415,458.98 is: 573,283.44
Step by Step Solution
- Step 1: Write the proportion equation
721,283.14 : 995,284.00 = 415,458.98 : x - Step 2: Convert to fraction form
721,283.14/995,284.00 = 415,458.98/x - Step 3: Cross multiply
721,283.14x = 995,284.00 × 415,458.98 - Step 4: Simplify right side
721,283.14x = 413,499,676,899.88 - Step 5: Solve for x
x = 413,499,676,899.88/721,283.14 - Step 6: Final answer
x = 573,283.44
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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.