Finding the Fourth Proportional to 660,650.11, 911,761.13 and 370,310.99
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Solution
The fourth proportional to 660,650.11, 911,761.13 and 370,310.99 is: 511,065.02
Step by Step Solution
- Step 1: Write the proportion equation
660,650.11 : 911,761.13 = 370,310.99 : x - Step 2: Convert to fraction form
660,650.11/911,761.13 = 370,310.99/x - Step 3: Cross multiply
660,650.11x = 911,761.13 × 370,310.99 - Step 4: Simplify right side
660,650.11x = 337,635,163,060.79 - Step 5: Solve for x
x = 337,635,163,060.79/660,650.11 - Step 6: Final answer
x = 511,065.02
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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.