Finding the Fourth Proportional to 671,686.11, 1,007,922.84 and 481,941.99
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Solution
The fourth proportional to 671,686.11, 1,007,922.84 and 481,941.99 is: 723,195.45
Step by Step Solution
- Step 1: Write the proportion equation
671,686.11 : 1,007,922.84 = 481,941.99 : x - Step 2: Convert to fraction form
671,686.11/1,007,922.84 = 481,941.99/x - Step 3: Cross multiply
671,686.11x = 1,007,922.84 × 481,941.99 - Step 4: Simplify right side
671,686.11x = 485,760,339,276.05 - Step 5: Solve for x
x = 485,760,339,276.05/671,686.11 - Step 6: Final answer
x = 723,195.45
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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.