Finding the Fourth Proportional to 672,883.11, 928,566.99 and 366,961.86
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Solution
The fourth proportional to 672,883.11, 928,566.99 and 366,961.86 is: 506,400.99
Step by Step Solution
- Step 1: Write the proportion equation
672,883.11 : 928,566.99 = 366,961.86 : x - Step 2: Convert to fraction form
672,883.11/928,566.99 = 366,961.86/x - Step 3: Cross multiply
672,883.11x = 928,566.99 × 366,961.86 - Step 4: Simplify right side
672,883.11x = 340,748,669,785.00 - Step 5: Solve for x
x = 340,748,669,785.00/672,883.11 - Step 6: Final answer
x = 506,400.99
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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.