Finding the Fourth Proportional to 994,827.24, 1,372,821.21 and 608,293.76
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Solution
The fourth proportional to 994,827.24, 1,372,821.21 and 608,293.76 is: 839,420.69
Step by Step Solution
- Step 1: Write the proportion equation
994,827.24 : 1,372,821.21 = 608,293.76 : x - Step 2: Convert to fraction form
994,827.24/1,372,821.21 = 608,293.76/x - Step 3: Cross multiply
994,827.24x = 1,372,821.21 × 608,293.76 - Step 4: Simplify right side
994,827.24x = 835,078,568,774.54 - Step 5: Solve for x
x = 835,078,568,774.54/994,827.24 - Step 6: Final answer
x = 839,420.69
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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.