Finding the Fourth Proportional to 686,341.68, 1,029,052.44 and 265,125.48
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Solution
The fourth proportional to 686,341.68, 1,029,052.44 and 265,125.48 is: 397,510.50
Step by Step Solution
- Step 1: Write the proportion equation
686,341.68 : 1,029,052.44 = 265,125.48 : x - Step 2: Convert to fraction form
686,341.68/1,029,052.44 = 265,125.48/x - Step 3: Cross multiply
686,341.68x = 1,029,052.44 × 265,125.48 - Step 4: Simplify right side
686,341.68x = 272,828,022,100.17 - Step 5: Solve for x
x = 272,828,022,100.17/686,341.68 - Step 6: Final answer
x = 397,510.50
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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.