Finding the Fourth Proportional to 901,646.97, 1,244,270.84 and 488,181.68
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Solution
The fourth proportional to 901,646.97, 1,244,270.84 and 488,181.68 is: 673,689.65
Step by Step Solution
- Step 1: Write the proportion equation
901,646.97 : 1,244,270.84 = 488,181.68 : x - Step 2: Convert to fraction form
901,646.97/1,244,270.84 = 488,181.68/x - Step 3: Cross multiply
901,646.97x = 1,244,270.84 × 488,181.68 - Step 4: Simplify right side
901,646.97x = 607,430,229,046.21 - Step 5: Solve for x
x = 607,430,229,046.21/901,646.97 - Step 6: Final answer
x = 673,689.65
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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.