Finding the Fourth Proportional to 491,873.70, 737,810.71 and 379,717.66
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Solution
The fourth proportional to 491,873.70, 737,810.71 and 379,717.66 is: 569,576.61
Step by Step Solution
- Step 1: Write the proportion equation
491,873.70 : 737,810.71 = 379,717.66 : x - Step 2: Convert to fraction form
491,873.70/737,810.71 = 379,717.66/x - Step 3: Cross multiply
491,873.70x = 737,810.71 × 379,717.66 - Step 4: Simplify right side
491,873.70x = 280,159,756,324.14 - Step 5: Solve for x
x = 280,159,756,324.14/491,873.70 - Step 6: Final answer
x = 569,576.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.