Finding the Fourth Proportional to 756,612.36, 1,134,635.60 and 251,079.11
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Solution
The fourth proportional to 756,612.36, 1,134,635.60 and 251,079.11 is: 376,524.76
Step by Step Solution
- Step 1: Write the proportion equation
756,612.36 : 1,134,635.60 = 251,079.11 : x - Step 2: Convert to fraction form
756,612.36/1,134,635.60 = 251,079.11/x - Step 3: Cross multiply
756,612.36x = 1,134,635.60 × 251,079.11 - Step 4: Simplify right side
756,612.36x = 284,883,289,693.74 - Step 5: Solve for x
x = 284,883,289,693.74/756,612.36 - Step 6: Final answer
x = 376,524.76
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.