Finding the Fourth Proportional to 702,902.24, 970,021.68 and 401,124.32
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Solution
The fourth proportional to 702,902.24, 970,021.68 and 401,124.32 is: 553,561.03
Step by Step Solution
- Step 1: Write the proportion equation
702,902.24 : 970,021.68 = 401,124.32 : x - Step 2: Convert to fraction form
702,902.24/970,021.68 = 401,124.32/x - Step 3: Cross multiply
702,902.24x = 970,021.68 × 401,124.32 - Step 4: Simplify right side
702,902.24x = 389,099,286,775.26 - Step 5: Solve for x
x = 389,099,286,775.26/702,902.24 - Step 6: Final answer
x = 553,561.03
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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.