Finding the Fourth Proportional to 775,351.14, 1,069,538.25 and 484,458.18
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Solution
The fourth proportional to 775,351.14, 1,069,538.25 and 484,458.18 is: 668,273.41
Step by Step Solution
- Step 1: Write the proportion equation
775,351.14 : 1,069,538.25 = 484,458.18 : x - Step 2: Convert to fraction form
775,351.14/1,069,538.25 = 484,458.18/x - Step 3: Cross multiply
775,351.14x = 1,069,538.25 × 484,458.18 - Step 4: Simplify right side
775,351.14x = 518,146,554,035.39 - Step 5: Solve for x
x = 518,146,554,035.39/775,351.14 - Step 6: Final answer
x = 668,273.41
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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.