Finding the Fourth Proportional to 839,974.34, 1,259,611.18 and 263,449.08
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Solution
The fourth proportional to 839,974.34, 1,259,611.18 and 263,449.08 is: 395,063.74
Step by Step Solution
- Step 1: Write the proportion equation
839,974.34 : 1,259,611.18 = 263,449.08 : x - Step 2: Convert to fraction form
839,974.34/1,259,611.18 = 263,449.08/x - Step 3: Cross multiply
839,974.34x = 1,259,611.18 × 263,449.08 - Step 4: Simplify right side
839,974.34x = 331,843,405,870.09 - Step 5: Solve for x
x = 331,843,405,870.09/839,974.34 - Step 6: Final answer
x = 395,063.74
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.