Finding the Fourth Proportional to 876,490.13, 1,209,531.84 and 494,552.45
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Solution
The fourth proportional to 876,490.13, 1,209,531.84 and 494,552.45 is: 682,468.53
Step by Step Solution
- Step 1: Write the proportion equation
876,490.13 : 1,209,531.84 = 494,552.45 : x - Step 2: Convert to fraction form
876,490.13/1,209,531.84 = 494,552.45/x - Step 3: Cross multiply
876,490.13x = 1,209,531.84 × 494,552.45 - Step 4: Simplify right side
876,490.13x = 598,176,934,825.01 - Step 5: Solve for x
x = 598,176,934,825.01/876,490.13 - Step 6: Final answer
x = 682,468.53
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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.