Finding the Fourth Proportional to 839,975.06, 1,259,612.26 and 263,449.80
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Solution
The fourth proportional to 839,975.06, 1,259,612.26 and 263,449.80 is: 395,064.82
Step by Step Solution
- Step 1: Write the proportion equation
839,975.06 : 1,259,612.26 = 263,449.80 : x - Step 2: Convert to fraction form
839,975.06/1,259,612.26 = 263,449.80/x - Step 3: Cross multiply
839,975.06x = 1,259,612.26 × 263,449.80 - Step 4: Simplify right side
839,975.06x = 331,844,597,974.55 - Step 5: Solve for x
x = 331,844,597,974.55/839,975.06 - Step 6: Final answer
x = 395,064.82
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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.