Finding the Fourth Proportional to 718,230.24, 991,274.76 and 432,039.42
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Solution
The fourth proportional to 718,230.24, 991,274.76 and 432,039.42 is: 596,284.80
Step by Step Solution
- Step 1: Write the proportion equation
718,230.24 : 991,274.76 = 432,039.42 : x - Step 2: Convert to fraction form
718,230.24/991,274.76 = 432,039.42/x - Step 3: Cross multiply
718,230.24x = 991,274.76 × 432,039.42 - Step 4: Simplify right side
718,230.24x = 428,269,772,371.04 - Step 5: Solve for x
x = 428,269,772,371.04/718,230.24 - Step 6: Final answer
x = 596,284.80
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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.