Finding the Fourth Proportional to 1,041,640.29, 1,561,943.57 and 331,576.02
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Solution
The fourth proportional to 1,041,640.29, 1,561,943.57 and 331,576.02 is: 497,199.50
Step by Step Solution
- Step 1: Write the proportion equation
1,041,640.29 : 1,561,943.57 = 331,576.02 : x - Step 2: Convert to fraction form
1,041,640.29/1,561,943.57 = 331,576.02/x - Step 3: Cross multiply
1,041,640.29x = 1,561,943.57 × 331,576.02 - Step 4: Simplify right side
1,041,640.29x = 517,903,030,747.31 - Step 5: Solve for x
x = 517,903,030,747.31/1,041,640.29 - Step 6: Final answer
x = 497,199.50
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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.