Finding the Fourth Proportional to 511,927.60, 706,504.74 and 282,506.44
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Solution
The fourth proportional to 511,927.60, 706,504.74 and 282,506.44 is: 389,883.53
Step by Step Solution
- Step 1: Write the proportion equation
511,927.60 : 706,504.74 = 282,506.44 : x - Step 2: Convert to fraction form
511,927.60/706,504.74 = 282,506.44/x - Step 3: Cross multiply
511,927.60x = 706,504.74 × 282,506.44 - Step 4: Simplify right side
511,927.60x = 199,592,138,940.53 - Step 5: Solve for x
x = 199,592,138,940.53/511,927.60 - Step 6: Final answer
x = 389,883.53
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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.