Finding the Fourth Proportional to 659,200.98, 987,783.76 and 445,129.93
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Solution
The fourth proportional to 659,200.98, 987,783.76 and 445,129.93 is: 667,007.68
Step by Step Solution
- Step 1: Write the proportion equation
659,200.98 : 987,783.76 = 445,129.93 : x - Step 2: Convert to fraction form
659,200.98/987,783.76 = 445,129.93/x - Step 3: Cross multiply
659,200.98x = 987,783.76 × 445,129.93 - Step 4: Simplify right side
659,200.98x = 439,692,117,735.08 - Step 5: Solve for x
x = 439,692,117,735.08/659,200.98 - Step 6: Final answer
x = 667,007.68
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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.