Finding the Fourth Proportional to 807,891.13, 1,114,838.94 and 445,294.99
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Solution
The fourth proportional to 807,891.13, 1,114,838.94 and 445,294.99 is: 614,479.08
Step by Step Solution
- Step 1: Write the proportion equation
807,891.13 : 1,114,838.94 = 445,294.99 : x - Step 2: Convert to fraction form
807,891.13/1,114,838.94 = 445,294.99/x - Step 3: Cross multiply
807,891.13x = 1,114,838.94 × 445,294.99 - Step 4: Simplify right side
807,891.13x = 496,432,194,638.91 - Step 5: Solve for x
x = 496,432,194,638.91/807,891.13 - Step 6: Final answer
x = 614,479.08
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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.