Finding the Fourth Proportional to 847,057.75, 1,168,936.28 and 484,481.09
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Solution
The fourth proportional to 847,057.75, 1,168,936.28 and 484,481.09 is: 668,581.95
Step by Step Solution
- Step 1: Write the proportion equation
847,057.75 : 1,168,936.28 = 484,481.09 : x - Step 2: Convert to fraction form
847,057.75/1,168,936.28 = 484,481.09/x - Step 3: Cross multiply
847,057.75x = 1,168,936.28 × 484,481.09 - Step 4: Simplify right side
847,057.75x = 566,327,523,574.88 - Step 5: Solve for x
x = 566,327,523,574.88/847,057.75 - Step 6: Final answer
x = 668,581.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.