Finding the Fourth Proportional to 688,539, 950,163.28 and 382,614.44
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Solution
The fourth proportional to 688,539, 950,163.28 and 382,614.44 is: 527,996.51
Step by Step Solution
- Step 1: Write the proportion equation
688,539 : 950,163.28 = 382,614.44 : x - Step 2: Convert to fraction form
688,539/950,163.28 = 382,614.44/x - Step 3: Cross multiply
688,539x = 950,163.28 × 382,614.44 - Step 4: Simplify right side
688,539x = 363,546,191,285.76 - Step 5: Solve for x
x = 363,546,191,285.76/688,539 - Step 6: Final answer
x = 527,996.51
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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.