Finding the Fourth Proportional to 493,306.19, 737,821.34 and 290,418.81
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Solution
The fourth proportional to 493,306.19, 737,821.34 and 290,418.81 is: 434,369.56
Step by Step Solution
- Step 1: Write the proportion equation
493,306.19 : 737,821.34 = 290,418.81 : x - Step 2: Convert to fraction form
493,306.19/737,821.34 = 290,418.81/x - Step 3: Cross multiply
493,306.19x = 737,821.34 × 290,418.81 - Step 4: Simplify right side
493,306.19x = 214,277,192,425.55 - Step 5: Solve for x
x = 214,277,192,425.55/493,306.19 - Step 6: Final answer
x = 434,369.56
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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.