Finding the Fourth Proportional to 721,722.48, 995,992.92 and 467,515.68
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Solution
The fourth proportional to 721,722.48, 995,992.92 and 467,515.68 is: 645,181.94
Step by Step Solution
- Step 1: Write the proportion equation
721,722.48 : 995,992.92 = 467,515.68 : x - Step 2: Convert to fraction form
721,722.48/995,992.92 = 467,515.68/x - Step 3: Cross multiply
721,722.48x = 995,992.92 × 467,515.68 - Step 4: Simplify right side
721,722.48x = 465,642,307,268.99 - Step 5: Solve for x
x = 465,642,307,268.99/721,722.48 - Step 6: Final answer
x = 645,181.94
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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.