Finding the Fourth Proportional to 672,791.38, 928,445.33 and 366,866.99
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Solution
The fourth proportional to 672,791.38, 928,445.33 and 366,866.99 is: 506,272.74
Step by Step Solution
- Step 1: Write the proportion equation
672,791.38 : 928,445.33 = 366,866.99 : x - Step 2: Convert to fraction form
672,791.38/928,445.33 = 366,866.99/x - Step 3: Cross multiply
672,791.38x = 928,445.33 × 366,866.99 - Step 4: Simplify right side
672,791.38x = 340,615,937,120.10 - Step 5: Solve for x
x = 340,615,937,120.10/672,791.38 - Step 6: Final answer
x = 506,272.74
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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.