Finding the Fourth Proportional to 985,578.26, 1,478,527.16 and 386,214.44
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Solution
The fourth proportional to 985,578.26, 1,478,527.16 and 386,214.44 is: 579,384.26
Step by Step Solution
- Step 1: Write the proportion equation
985,578.26 : 1,478,527.16 = 386,214.44 : x - Step 2: Convert to fraction form
985,578.26/1,478,527.16 = 386,214.44/x - Step 3: Cross multiply
985,578.26x = 1,478,527.16 × 386,214.44 - Step 4: Simplify right side
985,578.26x = 571,028,529,800.48 - Step 5: Solve for x
x = 571,028,529,800.48/985,578.26 - Step 6: Final answer
x = 579,384.26
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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.