Finding the Fourth Proportional to 847,084.14, 1,168,994.97 and 465,112.44
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Solution
The fourth proportional to 847,084.14, 1,168,994.97 and 465,112.44 is: 641,865.52
Step by Step Solution
- Step 1: Write the proportion equation
847,084.14 : 1,168,994.97 = 465,112.44 : x - Step 2: Convert to fraction form
847,084.14/1,168,994.97 = 465,112.44/x - Step 3: Cross multiply
847,084.14x = 1,168,994.97 × 465,112.44 - Step 4: Simplify right side
847,084.14x = 543,714,102,844.43 - Step 5: Solve for x
x = 543,714,102,844.43/847,084.14 - Step 6: Final answer
x = 641,865.52
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1.5x scale
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.