Finding the Fourth Proportional to 864,593.13, 1,296,221.49 and 324,837.99
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Solution
The fourth proportional to 864,593.13, 1,296,221.49 and 324,837.99 is: 487,005.92
Step by Step Solution
- Step 1: Write the proportion equation
864,593.13 : 1,296,221.49 = 324,837.99 : x - Step 2: Convert to fraction form
864,593.13/1,296,221.49 = 324,837.99/x - Step 3: Cross multiply
864,593.13x = 1,296,221.49 × 324,837.99 - Step 4: Simplify right side
864,593.13x = 421,061,976,925.30 - Step 5: Solve for x
x = 421,061,976,925.30/864,593.13 - Step 6: Final answer
x = 487,005.92
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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.