Finding the Fourth Proportional to 969,795.50, 1,338,221.97 and 540,115.61
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Solution
The fourth proportional to 969,795.50, 1,338,221.97 and 540,115.61 is: 745,306.17
Step by Step Solution
- Step 1: Write the proportion equation
969,795.50 : 1,338,221.97 = 540,115.61 : x - Step 2: Convert to fraction form
969,795.50/1,338,221.97 = 540,115.61/x - Step 3: Cross multiply
969,795.50x = 1,338,221.97 × 540,115.61 - Step 4: Simplify right side
969,795.50x = 722,794,568,950.84 - Step 5: Solve for x
x = 722,794,568,950.84/969,795.50 - Step 6: Final answer
x = 745,306.17
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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.