Finding the Fourth Proportional to 734,491.95, 1,013,618.99 and 412,222.02
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Solution
The fourth proportional to 734,491.95, 1,013,618.99 and 412,222.02 is: 568,877.67
Step by Step Solution
- Step 1: Write the proportion equation
734,491.95 : 1,013,618.99 = 412,222.02 : x - Step 2: Convert to fraction form
734,491.95/1,013,618.99 = 412,222.02/x - Step 3: Cross multiply
734,491.95x = 1,013,618.99 × 412,222.02 - Step 4: Simplify right side
734,491.95x = 417,836,068,598.72 - Step 5: Solve for x
x = 417,836,068,598.72/734,491.95 - Step 6: Final answer
x = 568,877.67
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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.