Finding the Fourth Proportional to 836,877.99, 1,154,892.39 and 454,904.79
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Solution
The fourth proportional to 836,877.99, 1,154,892.39 and 454,904.79 is: 627,769.03
Step by Step Solution
- Step 1: Write the proportion equation
836,877.99 : 1,154,892.39 = 454,904.79 : x - Step 2: Convert to fraction form
836,877.99/1,154,892.39 = 454,904.79/x - Step 3: Cross multiply
836,877.99x = 1,154,892.39 × 454,904.79 - Step 4: Simplify right side
836,877.99x = 525,366,080,145.55 - Step 5: Solve for x
x = 525,366,080,145.55/836,877.99 - Step 6: Final answer
x = 627,769.03
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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.