Finding the Fourth Proportional to 902,452.68, 1,245,386.16 and 494,489.70
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Solution
The fourth proportional to 902,452.68, 1,245,386.16 and 494,489.70 is: 682,396.59
Step by Step Solution
- Step 1: Write the proportion equation
902,452.68 : 1,245,386.16 = 494,489.70 : x - Step 2: Convert to fraction form
902,452.68/1,245,386.16 = 494,489.70/x - Step 3: Cross multiply
902,452.68x = 1,245,386.16 × 494,489.70 - Step 4: Simplify right side
902,452.68x = 615,830,628,642.55 - Step 5: Solve for x
x = 615,830,628,642.55/902,452.68 - Step 6: Final answer
x = 682,396.59
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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.