Finding the Fourth Proportional to 836,727.26, 1,154,683.76 and 454,754.05
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Solution
The fourth proportional to 836,727.26, 1,154,683.76 and 454,754.05 is: 627,560.66
Step by Step Solution
- Step 1: Write the proportion equation
836,727.26 : 1,154,683.76 = 454,754.05 : x - Step 2: Convert to fraction form
836,727.26/1,154,683.76 = 454,754.05/x - Step 3: Cross multiply
836,727.26x = 1,154,683.76 × 454,754.05 - Step 4: Simplify right side
836,727.26x = 525,097,111,168.75 - Step 5: Solve for x
x = 525,097,111,168.75/836,727.26 - Step 6: Final answer
x = 627,560.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.