Finding the Fourth Proportional to 879,276.21, 1,318,028.18 and 346,591.05
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Solution
The fourth proportional to 879,276.21, 1,318,028.18 and 346,591.05 is: 519,537.28
Step by Step Solution
- Step 1: Write the proportion equation
879,276.21 : 1,318,028.18 = 346,591.05 : x - Step 2: Convert to fraction form
879,276.21/1,318,028.18 = 346,591.05/x - Step 3: Cross multiply
879,276.21x = 1,318,028.18 × 346,591.05 - Step 4: Simplify right side
879,276.21x = 456,816,769,102.83 - Step 5: Solve for x
x = 456,816,769,102.83/879,276.21 - Step 6: Final answer
x = 519,537.28
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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.