Finding the Fourth Proportional to 545,697.44, 753,051.12 and 303,979.68
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Solution
The fourth proportional to 545,697.44, 753,051.12 and 303,979.68 is: 419,485.64
Step by Step Solution
- Step 1: Write the proportion equation
545,697.44 : 753,051.12 = 303,979.68 : x - Step 2: Convert to fraction form
545,697.44/753,051.12 = 303,979.68/x - Step 3: Cross multiply
545,697.44x = 753,051.12 × 303,979.68 - Step 4: Simplify right side
545,697.44x = 228,912,238,481.24 - Step 5: Solve for x
x = 228,912,238,481.24/545,697.44 - Step 6: Final answer
x = 419,485.64
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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.