Finding the Fourth Proportional to 942,379.52, 1,413,269.76 and 311,175.68
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Solution
The fourth proportional to 942,379.52, 1,413,269.76 and 311,175.68 is: 466,664.62
Step by Step Solution
- Step 1: Write the proportion equation
942,379.52 : 1,413,269.76 = 311,175.68 : x - Step 2: Convert to fraction form
942,379.52/1,413,269.76 = 311,175.68/x - Step 3: Cross multiply
942,379.52x = 1,413,269.76 × 311,175.68 - Step 4: Simplify right side
942,379.52x = 439,775,178,591.44 - Step 5: Solve for x
x = 439,775,178,591.44/942,379.52 - Step 6: Final answer
x = 466,664.62
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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.