Finding the Fourth Proportional to 879,036.52, 1,318,118.58 and 279,919.62
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Solution
The fourth proportional to 879,036.52, 1,318,118.58 and 279,919.62 is: 419,740.53
Step by Step Solution
- Step 1: Write the proportion equation
879,036.52 : 1,318,118.58 = 279,919.62 : x - Step 2: Convert to fraction form
879,036.52/1,318,118.58 = 279,919.62/x - Step 3: Cross multiply
879,036.52x = 1,318,118.58 × 279,919.62 - Step 4: Simplify right side
879,036.52x = 368,967,252,028.54 - Step 5: Solve for x
x = 368,967,252,028.54/879,036.52 - Step 6: Final answer
x = 419,740.53
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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.