Finding the Fourth Proportional to 757,187.33, 1,044,938.18 and 413,029.05
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Solution
The fourth proportional to 757,187.33, 1,044,938.18 and 413,029.05 is: 569,990.81
Step by Step Solution
- Step 1: Write the proportion equation
757,187.33 : 1,044,938.18 = 413,029.05 : x - Step 2: Convert to fraction form
757,187.33/1,044,938.18 = 413,029.05/x - Step 3: Cross multiply
757,187.33x = 1,044,938.18 × 413,029.05 - Step 4: Simplify right side
757,187.33x = 431,589,818,507.94 - Step 5: Solve for x
x = 431,589,818,507.94/757,187.33 - Step 6: Final answer
x = 569,990.81
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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.