Finding the Fourth Proportional to 777,684.07, 1,166,415.11 and 245,135.80
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Solution
The fourth proportional to 777,684.07, 1,166,415.11 and 245,135.80 is: 367,668.71
Step by Step Solution
- Step 1: Write the proportion equation
777,684.07 : 1,166,415.11 = 245,135.80 : x - Step 2: Convert to fraction form
777,684.07/1,166,415.11 = 245,135.80/x - Step 3: Cross multiply
777,684.07x = 1,166,415.11 × 245,135.80 - Step 4: Simplify right side
777,684.07x = 285,930,095,289.86 - Step 5: Solve for x
x = 285,930,095,289.86/777,684.07 - Step 6: Final answer
x = 367,668.71
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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.