Finding the Fourth Proportional to 861,708.24, 1,293,152.76 and 300,742.74
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Solution
The fourth proportional to 861,708.24, 1,293,152.76 and 300,742.74 is: 451,320.16
Step by Step Solution
- Step 1: Write the proportion equation
861,708.24 : 1,293,152.76 = 300,742.74 : x - Step 2: Convert to fraction form
861,708.24/1,293,152.76 = 300,742.74/x - Step 3: Cross multiply
861,708.24x = 1,293,152.76 × 300,742.74 - Step 4: Simplify right side
861,708.24x = 388,906,304,280.96 - Step 5: Solve for x
x = 388,906,304,280.96/861,708.24 - Step 6: Final answer
x = 451,320.16
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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.