Finding the Fourth Proportional to 721,745.69, 995,898.06 and 415,762.29
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Solution
The fourth proportional to 721,745.69, 995,898.06 and 415,762.29 is: 573,688.03
Step by Step Solution
- Step 1: Write the proportion equation
721,745.69 : 995,898.06 = 415,762.29 : x - Step 2: Convert to fraction form
721,745.69/995,898.06 = 415,762.29/x - Step 3: Cross multiply
721,745.69x = 995,898.06 × 415,762.29 - Step 4: Simplify right side
721,745.69x = 414,056,858,032.16 - Step 5: Solve for x
x = 414,056,858,032.16/721,745.69 - Step 6: Final answer
x = 573,688.03
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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.