Finding the Fourth Proportional to 760,391.01, 1,049,372.73 and 420,859.17
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Solution
The fourth proportional to 760,391.01, 1,049,372.73 and 420,859.17 is: 580,803.99
Step by Step Solution
- Step 1: Write the proportion equation
760,391.01 : 1,049,372.73 = 420,859.17 : x - Step 2: Convert to fraction form
760,391.01/1,049,372.73 = 420,859.17/x - Step 3: Cross multiply
760,391.01x = 1,049,372.73 × 420,859.17 - Step 4: Simplify right side
760,391.01x = 441,638,136,168.43 - Step 5: Solve for x
x = 441,638,136,168.43/760,391.01 - Step 6: Final answer
x = 580,803.99
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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.