Finding the Fourth Proportional to 687,052.58, 1,029,527.87 and 367,249.94
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Solution
The fourth proportional to 687,052.58, 1,029,527.87 and 367,249.94 is: 550,313.12
Step by Step Solution
- Step 1: Write the proportion equation
687,052.58 : 1,029,527.87 = 367,249.94 : x - Step 2: Convert to fraction form
687,052.58/1,029,527.87 = 367,249.94/x - Step 3: Cross multiply
687,052.58x = 1,029,527.87 × 367,249.94 - Step 4: Simplify right side
687,052.58x = 378,094,048,485.83 - Step 5: Solve for x
x = 378,094,048,485.83/687,052.58 - Step 6: Final answer
x = 550,313.12
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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.