Finding the Fourth Proportional to 722,621.17, 1,083,589.73 and 267,062.99
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Solution
The fourth proportional to 722,621.17, 1,083,589.73 and 267,062.99 is: 400,468.08
Step by Step Solution
- Step 1: Write the proportion equation
722,621.17 : 1,083,589.73 = 267,062.99 : x - Step 2: Convert to fraction form
722,621.17/1,083,589.73 = 267,062.99/x - Step 3: Cross multiply
722,621.17x = 1,083,589.73 × 267,062.99 - Step 4: Simplify right side
722,621.17x = 289,386,713,227.09 - Step 5: Solve for x
x = 289,386,713,227.09/722,621.17 - Step 6: Final answer
x = 400,468.08
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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.