Finding the Fourth Proportional to 811,450.05, 1,119,703.48 and 467,397.87
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Solution
The fourth proportional to 811,450.05, 1,119,703.48 and 467,397.87 is: 644,952.85
Step by Step Solution
- Step 1: Write the proportion equation
811,450.05 : 1,119,703.48 = 467,397.87 : x - Step 2: Convert to fraction form
811,450.05/1,119,703.48 = 467,397.87/x - Step 3: Cross multiply
811,450.05x = 1,119,703.48 × 467,397.87 - Step 4: Simplify right side
811,450.05x = 523,347,021,583.59 - Step 5: Solve for x
x = 523,347,021,583.59/811,450.05 - Step 6: Final answer
x = 644,952.85
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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.