Finding the Fourth Proportional to 753,115.94, 1,129,671.44 and 273,343.10
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Solution
The fourth proportional to 753,115.94, 1,129,671.44 and 273,343.10 is: 410,013.75
Step by Step Solution
- Step 1: Write the proportion equation
753,115.94 : 1,129,671.44 = 273,343.10 : x - Step 2: Convert to fraction form
753,115.94/1,129,671.44 = 273,343.10/x - Step 3: Cross multiply
753,115.94x = 1,129,671.44 × 273,343.10 - Step 4: Simplify right side
753,115.94x = 308,787,886,375.99 - Step 5: Solve for x
x = 308,787,886,375.99/753,115.94 - Step 6: Final answer
x = 410,013.75
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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.