Finding the Fourth Proportional to 774,584.44, 1,069,231.26 and 488,051.26
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Solution
The fourth proportional to 774,584.44, 1,069,231.26 and 488,051.26 is: 673,702.75
Step by Step Solution
- Step 1: Write the proportion equation
774,584.44 : 1,069,231.26 = 488,051.26 : x - Step 2: Convert to fraction form
774,584.44/1,069,231.26 = 488,051.26/x - Step 3: Cross multiply
774,584.44x = 1,069,231.26 × 488,051.26 - Step 4: Simplify right side
774,584.44x = 521,839,663,674.39 - Step 5: Solve for x
x = 521,839,663,674.39/774,584.44 - Step 6: Final answer
x = 673,702.75
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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.