Finding the Fourth Proportional to 512,077.17, 706,665.96 and 285,722.67
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Solution
The fourth proportional to 512,077.17, 706,665.96 and 285,722.67 is: 394,296.99
Step by Step Solution
- Step 1: Write the proportion equation
512,077.17 : 706,665.96 = 285,722.67 : x - Step 2: Convert to fraction form
512,077.17/706,665.96 = 285,722.67/x - Step 3: Cross multiply
512,077.17x = 706,665.96 × 285,722.67 - Step 4: Simplify right side
512,077.17x = 201,910,484,889.31 - Step 5: Solve for x
x = 201,910,484,889.31/512,077.17 - Step 6: Final answer
x = 394,296.99
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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.