Finding the Fourth Proportional to 902,076.81, 1,351,675.86 and 661,073.82
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Solution
The fourth proportional to 902,076.81, 1,351,675.86 and 661,073.82 is: 990,555.92
Step by Step Solution
- Step 1: Write the proportion equation
902,076.81 : 1,351,675.86 = 661,073.82 : x - Step 2: Convert to fraction form
902,076.81/1,351,675.86 = 661,073.82/x - Step 3: Cross multiply
902,076.81x = 1,351,675.86 × 661,073.82 - Step 4: Simplify right side
902,076.81x = 893,557,524,171.99 - Step 5: Solve for x
x = 893,557,524,171.99/902,076.81 - Step 6: Final answer
x = 990,555.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.