Finding the Fourth Proportional to 756,650.86, 1,044,189.76 and 412,486.99
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Solution
The fourth proportional to 756,650.86, 1,044,189.76 and 412,486.99 is: 569,238.36
Step by Step Solution
- Step 1: Write the proportion equation
756,650.86 : 1,044,189.76 = 412,486.99 : x - Step 2: Convert to fraction form
756,650.86/1,044,189.76 = 412,486.99/x - Step 3: Cross multiply
756,650.86x = 1,044,189.76 × 412,486.99 - Step 4: Simplify right side
756,650.86x = 430,714,691,091.22 - Step 5: Solve for x
x = 430,714,691,091.22/756,650.86 - Step 6: Final answer
x = 569,238.36
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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.