Finding the Fourth Proportional to 876,490.14, 1,209,531.84 and 494,552.46
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Solution
The fourth proportional to 876,490.14, 1,209,531.84 and 494,552.46 is: 682,468.54
Step by Step Solution
- Step 1: Write the proportion equation
876,490.14 : 1,209,531.84 = 494,552.46 : x - Step 2: Convert to fraction form
876,490.14/1,209,531.84 = 494,552.46/x - Step 3: Cross multiply
876,490.14x = 1,209,531.84 × 494,552.46 - Step 4: Simplify right side
876,490.14x = 598,176,946,920.33 - Step 5: Solve for x
x = 598,176,946,920.33/876,490.14 - Step 6: Final answer
x = 682,468.54
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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.