Finding the Fourth Proportional to 513,583.30, 769,743.97 and 288,470.53
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Solution
The fourth proportional to 513,583.30, 769,743.97 and 288,470.53 is: 432,351.38
Step by Step Solution
- Step 1: Write the proportion equation
513,583.30 : 769,743.97 = 288,470.53 : x - Step 2: Convert to fraction form
513,583.30/769,743.97 = 288,470.53/x - Step 3: Cross multiply
513,583.30x = 769,743.97 × 288,470.53 - Step 4: Simplify right side
513,583.30x = 222,048,450,990.20 - Step 5: Solve for x
x = 222,048,450,990.20/513,583.30 - Step 6: Final answer
x = 432,351.38
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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.