Finding the Fourth Proportional to 879,097.68, 1,318,845.38 and 280,092.96
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Solution
The fourth proportional to 879,097.68, 1,318,845.38 and 280,092.96 is: 420,202.80
Step by Step Solution
- Step 1: Write the proportion equation
879,097.68 : 1,318,845.38 = 280,092.96 : x - Step 2: Convert to fraction form
879,097.68/1,318,845.38 = 280,092.96/x - Step 3: Cross multiply
879,097.68x = 1,318,845.38 × 280,092.96 - Step 4: Simplify right side
879,097.68x = 369,399,304,866.06 - Step 5: Solve for x
x = 369,399,304,866.06/879,097.68 - Step 6: Final answer
x = 420,202.80
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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.