Finding the Fourth Proportional to 811,000.37, 1,119,135.35 and 448,402.46
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Solution
The fourth proportional to 811,000.37, 1,119,135.35 and 448,402.46 is: 618,770.42
Step by Step Solution
- Step 1: Write the proportion equation
811,000.37 : 1,119,135.35 = 448,402.46 : x - Step 2: Convert to fraction form
811,000.37/1,119,135.35 = 448,402.46/x - Step 3: Cross multiply
811,000.37x = 1,119,135.35 × 448,402.46 - Step 4: Simplify right side
811,000.37x = 501,823,039,538.29 - Step 5: Solve for x
x = 501,823,039,538.29/811,000.37 - Step 6: Final answer
x = 618,770.42
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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.