Finding the Fourth Proportional to 509,715.73, 703,514.74 and 323,326.63
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Solution
The fourth proportional to 509,715.73, 703,514.74 and 323,326.63 is: 446,258.64
Step by Step Solution
- Step 1: Write the proportion equation
509,715.73 : 703,514.74 = 323,326.63 : x - Step 2: Convert to fraction form
509,715.73/703,514.74 = 323,326.63/x - Step 3: Cross multiply
509,715.73x = 703,514.74 × 323,326.63 - Step 4: Simplify right side
509,715.73x = 227,465,046,866.19 - Step 5: Solve for x
x = 227,465,046,866.19/509,715.73 - Step 6: Final answer
x = 446,258.64
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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.