Finding the Fourth Proportional to 766,622.99, 1,057,940.01 and 417,761.03
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Solution
The fourth proportional to 766,622.99, 1,057,940.01 and 417,761.03 is: 576,510.37
Step by Step Solution
- Step 1: Write the proportion equation
766,622.99 : 1,057,940.01 = 417,761.03 : x - Step 2: Convert to fraction form
766,622.99/1,057,940.01 = 417,761.03/x - Step 3: Cross multiply
766,622.99x = 1,057,940.01 × 417,761.03 - Step 4: Simplify right side
766,622.99x = 441,966,102,966.11 - Step 5: Solve for x
x = 441,966,102,966.11/766,622.99 - Step 6: Final answer
x = 576,510.37
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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.