Finding the Fourth Proportional to 827,470.20, 1,241,205.35 and 266,504.70
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Solution
The fourth proportional to 827,470.20, 1,241,205.35 and 266,504.70 is: 399,757.07
Step by Step Solution
- Step 1: Write the proportion equation
827,470.20 : 1,241,205.35 = 266,504.70 : x - Step 2: Convert to fraction form
827,470.20/1,241,205.35 = 266,504.70/x - Step 3: Cross multiply
827,470.20x = 1,241,205.35 × 266,504.70 - Step 4: Simplify right side
827,470.20x = 330,787,059,440.15 - Step 5: Solve for x
x = 330,787,059,440.15/827,470.20 - Step 6: Final answer
x = 399,757.07
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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.