Finding the Fourth Proportional to 527,370.98, 727,771.97 and 285,653.63
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Solution
The fourth proportional to 527,370.98, 727,771.97 and 285,653.63 is: 394,202.03
Step by Step Solution
- Step 1: Write the proportion equation
527,370.98 : 727,771.97 = 285,653.63 : x - Step 2: Convert to fraction form
527,370.98/727,771.97 = 285,653.63/x - Step 3: Cross multiply
527,370.98x = 727,771.97 × 285,653.63 - Step 4: Simplify right side
527,370.98x = 207,890,707,576.32 - Step 5: Solve for x
x = 207,890,707,576.32/527,370.98 - Step 6: Final answer
x = 394,202.03
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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.