Finding the Fourth Proportional to 721,557.13, 995,853.93 and 415,573.96
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Solution
The fourth proportional to 721,557.13, 995,853.93 and 415,573.96 is: 573,552.58
Step by Step Solution
- Step 1: Write the proportion equation
721,557.13 : 995,853.93 = 415,573.96 : x - Step 2: Convert to fraction form
721,557.13/995,853.93 = 415,573.96/x - Step 3: Cross multiply
721,557.13x = 995,853.93 × 415,573.96 - Step 4: Simplify right side
721,557.13x = 413,850,954,214.52 - Step 5: Solve for x
x = 413,850,954,214.52/721,557.13 - Step 6: Final answer
x = 573,552.58
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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.