Finding the Fourth Proportional to 811,096.88, 1,119,320.96 and 448,545.14
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Solution
The fourth proportional to 811,096.88, 1,119,320.96 and 448,545.14 is: 618,996.31
Step by Step Solution
- Step 1: Write the proportion equation
811,096.88 : 1,119,320.96 = 448,545.14 : x - Step 2: Convert to fraction form
811,096.88/1,119,320.96 = 448,545.14/x - Step 3: Cross multiply
811,096.88x = 1,119,320.96 × 448,545.14 - Step 4: Simplify right side
811,096.88x = 502,065,976,708.13 - Step 5: Solve for x
x = 502,065,976,708.13/811,096.88 - Step 6: Final answer
x = 618,996.31
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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.