Finding the Fourth Proportional to 567,282.87, 782,850.36 and 312,634.05
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Solution
The fourth proportional to 567,282.87, 782,850.36 and 312,634.05 is: 431,434.99
Step by Step Solution
- Step 1: Write the proportion equation
567,282.87 : 782,850.36 = 312,634.05 : x - Step 2: Convert to fraction form
567,282.87/782,850.36 = 312,634.05/x - Step 3: Cross multiply
567,282.87x = 782,850.36 × 312,634.05 - Step 4: Simplify right side
567,282.87x = 244,745,678,590.76 - Step 5: Solve for x
x = 244,745,678,590.76/567,282.87 - Step 6: Final answer
x = 431,434.99
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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.