Finding the Fourth Proportional to 721,673.24, 995,884.26 and 399,396.92
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Solution
The fourth proportional to 721,673.24, 995,884.26 and 399,396.92 is: 551,154.02
Step by Step Solution
- Step 1: Write the proportion equation
721,673.24 : 995,884.26 = 399,396.92 : x - Step 2: Convert to fraction form
721,673.24/995,884.26 = 399,396.92/x - Step 3: Cross multiply
721,673.24x = 995,884.26 × 399,396.92 - Step 4: Simplify right side
721,673.24x = 397,753,106,120.48 - Step 5: Solve for x
x = 397,753,106,120.48/721,673.24 - Step 6: Final answer
x = 551,154.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.