Finding the Fourth Proportional to 790,365.33, 1,185,769.94 and 317,382.84
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Solution
The fourth proportional to 790,365.33, 1,185,769.94 and 317,382.84 is: 476,163.38
Step by Step Solution
- Step 1: Write the proportion equation
790,365.33 : 1,185,769.94 = 317,382.84 : x - Step 2: Convert to fraction form
790,365.33/1,185,769.94 = 317,382.84/x - Step 3: Cross multiply
790,365.33x = 1,185,769.94 × 317,382.84 - Step 4: Simplify right side
790,365.33x = 376,343,029,556.92 - Step 5: Solve for x
x = 376,343,029,556.92/790,365.33 - Step 6: Final answer
x = 476,163.38
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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.