Finding the Fourth Proportional to 843,858.06, 1,164,690.12 and 639,552.62
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Solution
The fourth proportional to 843,858.06, 1,164,690.12 and 639,552.62 is: 882,708.42
Step by Step Solution
- Step 1: Write the proportion equation
843,858.06 : 1,164,690.12 = 639,552.62 : x - Step 2: Convert to fraction form
843,858.06/1,164,690.12 = 639,552.62/x - Step 3: Cross multiply
843,858.06x = 1,164,690.12 × 639,552.62 - Step 4: Simplify right side
843,858.06x = 744,880,617,734.12 - Step 5: Solve for x
x = 744,880,617,734.12/843,858.06 - Step 6: Final answer
x = 882,708.42
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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.