Finding the Fourth Proportional to 756,198.05, 1,134,769.97 and 306,918.86
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Solution
The fourth proportional to 756,198.05, 1,134,769.97 and 306,918.86 is: 460,570.22
Step by Step Solution
- Step 1: Write the proportion equation
756,198.05 : 1,134,769.97 = 306,918.86 : x - Step 2: Convert to fraction form
756,198.05/1,134,769.97 = 306,918.86/x - Step 3: Cross multiply
756,198.05x = 1,134,769.97 × 306,918.86 - Step 4: Simplify right side
756,198.05x = 348,282,300,648.08 - Step 5: Solve for x
x = 348,282,300,648.08/756,198.05 - Step 6: Final answer
x = 460,570.22
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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.