Finding the Fourth Proportional to 532,324.11, 734,618.39 and 290,616.87
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Solution
The fourth proportional to 532,324.11, 734,618.39 and 290,616.87 is: 401,057.35
Step by Step Solution
- Step 1: Write the proportion equation
532,324.11 : 734,618.39 = 290,616.87 : x - Step 2: Convert to fraction form
532,324.11/734,618.39 = 290,616.87/x - Step 3: Cross multiply
532,324.11x = 734,618.39 × 290,616.87 - Step 4: Simplify right side
532,324.11x = 213,492,497,146.24 - Step 5: Solve for x
x = 213,492,497,146.24/532,324.11 - Step 6: Final answer
x = 401,057.35
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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.