Finding the Fourth Proportional to 725,668.58, 1,088,601.42 and 252,292.70
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Solution
The fourth proportional to 725,668.58, 1,088,601.42 and 252,292.70 is: 378,473.31
Step by Step Solution
- Step 1: Write the proportion equation
725,668.58 : 1,088,601.42 = 252,292.70 : x - Step 2: Convert to fraction form
725,668.58/1,088,601.42 = 252,292.70/x - Step 3: Cross multiply
725,668.58x = 1,088,601.42 × 252,292.70 - Step 4: Simplify right side
725,668.58x = 274,646,191,475.63 - Step 5: Solve for x
x = 274,646,191,475.63/725,668.58 - Step 6: Final answer
x = 378,473.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.