Finding the Fourth Proportional to 689,109.48, 950,894.97 and 413,452.68
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Solution
The fourth proportional to 689,109.48, 950,894.97 and 413,452.68 is: 570,519.03
Step by Step Solution
- Step 1: Write the proportion equation
689,109.48 : 950,894.97 = 413,452.68 : x - Step 2: Convert to fraction form
689,109.48/950,894.97 = 413,452.68/x - Step 3: Cross multiply
689,109.48x = 950,894.97 × 413,452.68 - Step 4: Simplify right side
689,109.48x = 393,150,073,745.02 - Step 5: Solve for x
x = 393,150,073,745.02/689,109.48 - Step 6: Final answer
x = 570,519.03
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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.