Finding the Fourth Proportional to 693,042.99, 957,335.42 and 522,251.96
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Solution
The fourth proportional to 693,042.99, 957,335.42 and 522,251.96 is: 721,413.11
Step by Step Solution
- Step 1: Write the proportion equation
693,042.99 : 957,335.42 = 522,251.96 : x - Step 2: Convert to fraction form
693,042.99/957,335.42 = 522,251.96/x - Step 3: Cross multiply
693,042.99x = 957,335.42 × 522,251.96 - Step 4: Simplify right side
693,042.99x = 499,970,297,622.94 - Step 5: Solve for x
x = 499,970,297,622.94/693,042.99 - Step 6: Final answer
x = 721,413.11
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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.