Finding the Fourth Proportional to 658,939.44, 988,532.80 and 299,135.52
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Solution
The fourth proportional to 658,939.44, 988,532.80 and 299,135.52 is: 448,759.41
Step by Step Solution
- Step 1: Write the proportion equation
658,939.44 : 988,532.80 = 299,135.52 : x - Step 2: Convert to fraction form
658,939.44/988,532.80 = 299,135.52/x - Step 3: Cross multiply
658,939.44x = 988,532.80 × 299,135.52 - Step 4: Simplify right side
658,939.44x = 295,705,273,165.06 - Step 5: Solve for x
x = 295,705,273,165.06/658,939.44 - Step 6: Final answer
x = 448,759.41
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.