Finding the Fourth Proportional to 719,720.19, 1,079,732.52 and 270,444.96
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Solution
The fourth proportional to 719,720.19, 1,079,732.52 and 270,444.96 is: 405,724.64
Step by Step Solution
- Step 1: Write the proportion equation
719,720.19 : 1,079,732.52 = 270,444.96 : x - Step 2: Convert to fraction form
719,720.19/1,079,732.52 = 270,444.96/x - Step 3: Cross multiply
719,720.19x = 1,079,732.52 × 270,444.96 - Step 4: Simplify right side
719,720.19x = 292,008,218,182.10 - Step 5: Solve for x
x = 292,008,218,182.10/719,720.19 - Step 6: Final answer
x = 405,724.64
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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.