Finding the Fourth Proportional to 902,053.97, 1,244,830.79 and 494,155.23
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Solution
The fourth proportional to 902,053.97, 1,244,830.79 and 494,155.23 is: 681,932.20
Step by Step Solution
- Step 1: Write the proportion equation
902,053.97 : 1,244,830.79 = 494,155.23 : x - Step 2: Convert to fraction form
902,053.97/1,244,830.79 = 494,155.23/x - Step 3: Cross multiply
902,053.97x = 1,244,830.79 × 494,155.23 - Step 4: Simplify right side
902,053.97x = 615,139,642,872.76 - Step 5: Solve for x
x = 615,139,642,872.76/902,053.97 - Step 6: Final answer
x = 681,932.20
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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.