Finding the Fourth Proportional to 870,760.05, 1,305,807.91 and 415,270.82
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Solution
The fourth proportional to 870,760.05, 1,305,807.91 and 415,270.82 is: 622,747.82
Step by Step Solution
- Step 1: Write the proportion equation
870,760.05 : 1,305,807.91 = 415,270.82 : x - Step 2: Convert to fraction form
870,760.05/1,305,807.91 = 415,270.82/x - Step 3: Cross multiply
870,760.05x = 1,305,807.91 × 415,270.82 - Step 4: Simplify right side
870,760.05x = 542,263,921,548.19 - Step 5: Solve for x
x = 542,263,921,548.19/870,760.05 - Step 6: Final answer
x = 622,747.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.