Finding the Fourth Proportional to 768,514.01, 1,060,639.28 and 639,224.37
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Solution
The fourth proportional to 768,514.01, 1,060,639.28 and 639,224.37 is: 882,204.45
Step by Step Solution
- Step 1: Write the proportion equation
768,514.01 : 1,060,639.28 = 639,224.37 : x - Step 2: Convert to fraction form
768,514.01/1,060,639.28 = 639,224.37/x - Step 3: Cross multiply
768,514.01x = 1,060,639.28 × 639,224.37 - Step 4: Simplify right side
768,514.01x = 677,986,472,359.13 - Step 5: Solve for x
x = 677,986,472,359.13/768,514.01 - Step 6: Final answer
x = 882,204.45
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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.