Finding the Fourth Proportional to 760,497.24, 1,049,486.21 and 420,965.49
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Solution
The fourth proportional to 760,497.24, 1,049,486.21 and 420,965.49 is: 580,932.38
Step by Step Solution
- Step 1: Write the proportion equation
760,497.24 : 1,049,486.21 = 420,965.49 : x - Step 2: Convert to fraction form
760,497.24/1,049,486.21 = 420,965.49/x - Step 3: Cross multiply
760,497.24x = 1,049,486.21 × 420,965.49 - Step 4: Simplify right side
760,497.24x = 441,797,469,288.63 - Step 5: Solve for x
x = 441,797,469,288.63/760,497.24 - Step 6: Final answer
x = 580,932.38
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1.5x scale
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.