Finding the Fourth Proportional to 585,474.75, 807,955.16 and 317,202.75
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Solution
The fourth proportional to 585,474.75, 807,955.16 and 317,202.75 is: 437,739.80
Step by Step Solution
- Step 1: Write the proportion equation
585,474.75 : 807,955.16 = 317,202.75 : x - Step 2: Convert to fraction form
585,474.75/807,955.16 = 317,202.75/x - Step 3: Cross multiply
585,474.75x = 807,955.16 × 317,202.75 - Step 4: Simplify right side
585,474.75x = 256,285,597,042.68 - Step 5: Solve for x
x = 256,285,597,042.68/585,474.75 - Step 6: Final answer
x = 437,739.80
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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.