Finding the Fourth Proportional to 664,247.26, 916,664.79 and 362,447.74
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Solution
The fourth proportional to 664,247.26, 916,664.79 and 362,447.74 is: 500,179.83
Step by Step Solution
- Step 1: Write the proportion equation
664,247.26 : 916,664.79 = 362,447.74 : x - Step 2: Convert to fraction form
664,247.26/916,664.79 = 362,447.74/x - Step 3: Cross multiply
664,247.26x = 916,664.79 × 362,447.74 - Step 4: Simplify right side
664,247.26x = 332,243,081,473.08 - Step 5: Solve for x
x = 332,243,081,473.08/664,247.26 - Step 6: Final answer
x = 500,179.83
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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.