Finding the Fourth Proportional to 760,695.18, 1,049,829.77 and 421,163.43
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Solution
The fourth proportional to 760,695.18, 1,049,829.77 and 421,163.43 is: 581,244.52
Step by Step Solution
- Step 1: Write the proportion equation
760,695.18 : 1,049,829.77 = 421,163.43 : x - Step 2: Convert to fraction form
760,695.18/1,049,829.77 = 421,163.43/x - Step 3: Cross multiply
760,695.18x = 1,049,829.77 × 421,163.43 - Step 4: Simplify right side
760,695.18x = 442,149,906,849.31 - Step 5: Solve for x
x = 442,149,906,849.31/760,695.18 - Step 6: Final answer
x = 581,244.52
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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.