Finding the Fourth Proportional to 505,227.74, 696,029.94 and 351,988.74
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Solution
The fourth proportional to 505,227.74, 696,029.94 and 351,988.74 is: 484,919.34
Step by Step Solution
- Step 1: Write the proportion equation
505,227.74 : 696,029.94 = 351,988.74 : x - Step 2: Convert to fraction form
505,227.74/696,029.94 = 351,988.74/x - Step 3: Cross multiply
505,227.74x = 696,029.94 × 351,988.74 - Step 4: Simplify right side
505,227.74x = 244,994,701,582.88 - Step 5: Solve for x
x = 244,994,701,582.88/505,227.74 - Step 6: Final answer
x = 484,919.34
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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.