Finding the Fourth Proportional to 902,320.07, 1,245,201.99 and 494,418.59
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Solution
The fourth proportional to 902,320.07, 1,245,201.99 and 494,418.59 is: 682,297.81
Step by Step Solution
- Step 1: Write the proportion equation
902,320.07 : 1,245,201.99 = 494,418.59 : x - Step 2: Convert to fraction form
902,320.07/1,245,201.99 = 494,418.59/x - Step 3: Cross multiply
902,320.07x = 1,245,201.99 × 494,418.59 - Step 4: Simplify right side
902,320.07x = 615,651,012,160.99 - Step 5: Solve for x
x = 615,651,012,160.99/902,320.07 - Step 6: Final answer
x = 682,297.81
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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.