Finding the Fourth Proportional to 902,446.68, 1,245,377.88 and 494,483.70
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Solution
The fourth proportional to 902,446.68, 1,245,377.88 and 494,483.70 is: 682,388.31
Step by Step Solution
- Step 1: Write the proportion equation
902,446.68 : 1,245,377.88 = 494,483.70 : x - Step 2: Convert to fraction form
902,446.68/1,245,377.88 = 494,483.70/x - Step 3: Cross multiply
902,446.68x = 1,245,377.88 × 494,483.70 - Step 4: Simplify right side
902,446.68x = 615,819,062,000.56 - Step 5: Solve for x
x = 615,819,062,000.56/902,446.68 - Step 6: Final answer
x = 682,388.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.