Finding the Fourth Proportional to 836,349.40, 1,154,167.70 and 454,376.08
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Solution
The fourth proportional to 836,349.40, 1,154,167.70 and 454,376.08 is: 627,041.99
Step by Step Solution
- Step 1: Write the proportion equation
836,349.40 : 1,154,167.70 = 454,376.08 : x - Step 2: Convert to fraction form
836,349.40/1,154,167.70 = 454,376.08/x - Step 3: Cross multiply
836,349.40x = 1,154,167.70 × 454,376.08 - Step 4: Simplify right side
836,349.40x = 524,426,195,188.62 - Step 5: Solve for x
x = 524,426,195,188.62/836,349.40 - Step 6: Final answer
x = 627,041.99
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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.