Finding the Fourth Proportional to 804,513.97, 1,206,769.74 and 205,474.96
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Solution
The fourth proportional to 804,513.97, 1,206,769.74 and 205,474.96 is: 308,212.13
Step by Step Solution
- Step 1: Write the proportion equation
804,513.97 : 1,206,769.74 = 205,474.96 : x - Step 2: Convert to fraction form
804,513.97/1,206,769.74 = 205,474.96/x - Step 3: Cross multiply
804,513.97x = 1,206,769.74 × 205,474.96 - Step 4: Simplify right side
804,513.97x = 247,960,964,055.71 - Step 5: Solve for x
x = 247,960,964,055.71/804,513.97 - Step 6: Final answer
x = 308,212.13
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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.