Finding the Fourth Proportional to 686,634.56, 1,029,750.24 and 265,809.92
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Solution
The fourth proportional to 686,634.56, 1,029,750.24 and 265,809.92 is: 398,636.84
Step by Step Solution
- Step 1: Write the proportion equation
686,634.56 : 1,029,750.24 = 265,809.92 : x - Step 2: Convert to fraction form
686,634.56/1,029,750.24 = 265,809.92/x - Step 3: Cross multiply
686,634.56x = 1,029,750.24 × 265,809.92 - Step 4: Simplify right side
686,634.56x = 273,717,828,914.38 - Step 5: Solve for x
x = 273,717,828,914.38/686,634.56 - Step 6: Final answer
x = 398,636.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.