Finding the Fourth Proportional to 696,843.95, 1,044,206.09 and 317,543.63
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Solution
The fourth proportional to 696,843.95, 1,044,206.09 and 317,543.63 is: 475,832.49
Step by Step Solution
- Step 1: Write the proportion equation
696,843.95 : 1,044,206.09 = 317,543.63 : x - Step 2: Convert to fraction form
696,843.95/1,044,206.09 = 317,543.63/x - Step 3: Cross multiply
696,843.95x = 1,044,206.09 × 317,543.63 - Step 4: Simplify right side
696,843.95x = 331,580,990,698.99 - Step 5: Solve for x
x = 331,580,990,698.99/696,843.95 - Step 6: Final answer
x = 475,832.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.