Finding the Fourth Proportional to 859,936.23, 1,290,466.26 and 327,462.48
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Solution
The fourth proportional to 859,936.23, 1,290,466.26 and 327,462.48 is: 491,407.70
Step by Step Solution
- Step 1: Write the proportion equation
859,936.23 : 1,290,466.26 = 327,462.48 : x - Step 2: Convert to fraction form
859,936.23/1,290,466.26 = 327,462.48/x - Step 3: Cross multiply
859,936.23x = 1,290,466.26 × 327,462.48 - Step 4: Simplify right side
859,936.23x = 422,579,281,855.93 - Step 5: Solve for x
x = 422,579,281,855.93/859,936.23 - Step 6: Final answer
x = 491,407.70
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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.