Finding the Fourth Proportional to 776,739.68, 1,165,562.44 and 327,433.04
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Solution
The fourth proportional to 776,739.68, 1,165,562.44 and 327,433.04 is: 491,340.49
Step by Step Solution
- Step 1: Write the proportion equation
776,739.68 : 1,165,562.44 = 327,433.04 : x - Step 2: Convert to fraction form
776,739.68/1,165,562.44 = 327,433.04/x - Step 3: Cross multiply
776,739.68x = 1,165,562.44 × 327,433.04 - Step 4: Simplify right side
776,739.68x = 381,643,653,039.02 - Step 5: Solve for x
x = 381,643,653,039.02/776,739.68 - Step 6: Final answer
x = 491,340.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.