Finding the Fourth Proportional to 770,057.10, 1,154,076.86 and 369,901.71
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Solution
The fourth proportional to 770,057.10, 1,154,076.86 and 369,901.71 is: 554,367.99
Step by Step Solution
- Step 1: Write the proportion equation
770,057.10 : 1,154,076.86 = 369,901.71 : x - Step 2: Convert to fraction form
770,057.10/1,154,076.86 = 369,901.71/x - Step 3: Cross multiply
770,057.10x = 1,154,076.86 × 369,901.71 - Step 4: Simplify right side
770,057.10x = 426,895,004,910.19 - Step 5: Solve for x
x = 426,895,004,910.19/770,057.10 - Step 6: Final answer
x = 554,367.99
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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.