Finding the Fourth Proportional to 807,997.87, 1,115,044.58 and 445,434.70
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Solution
The fourth proportional to 807,997.87, 1,115,044.58 and 445,434.70 is: 614,704.03
Step by Step Solution
- Step 1: Write the proportion equation
807,997.87 : 1,115,044.58 = 445,434.70 : x - Step 2: Convert to fraction form
807,997.87/1,115,044.58 = 445,434.70/x - Step 3: Cross multiply
807,997.87x = 1,115,044.58 × 445,434.70 - Step 4: Simplify right side
807,997.87x = 496,679,547,978.93 - Step 5: Solve for x
x = 496,679,547,978.93/807,997.87 - Step 6: Final answer
x = 614,704.03
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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.