Finding the Fourth Proportional to 635,617.97, 876,433.97 and 405,873.17
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Solution
The fourth proportional to 635,617.97, 876,433.97 and 405,873.17 is: 559,645.97
Step by Step Solution
- Step 1: Write the proportion equation
635,617.97 : 876,433.97 = 405,873.17 : x - Step 2: Convert to fraction form
635,617.97/876,433.97 = 405,873.17/x - Step 3: Cross multiply
635,617.97x = 876,433.97 × 405,873.17 - Step 4: Simplify right side
635,617.97x = 355,721,030,332.10 - Step 5: Solve for x
x = 355,721,030,332.10/635,617.97 - Step 6: Final answer
x = 559,645.97
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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.