Finding the Fourth Proportional to 730,473.44, 1,008,153.48 and 420,369.66
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Solution
The fourth proportional to 730,473.44, 1,008,153.48 and 420,369.66 is: 580,167.75
Step by Step Solution
- Step 1: Write the proportion equation
730,473.44 : 1,008,153.48 = 420,369.66 : x - Step 2: Convert to fraction form
730,473.44/1,008,153.48 = 420,369.66/x - Step 3: Cross multiply
730,473.44x = 1,008,153.48 × 420,369.66 - Step 4: Simplify right side
730,473.44x = 423,797,135,615.42 - Step 5: Solve for x
x = 423,797,135,615.42/730,473.44 - Step 6: Final answer
x = 580,167.75
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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.