Finding the Fourth Proportional to 664,246.26, 916,663.41 and 362,446.74
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Solution
The fourth proportional to 664,246.26, 916,663.41 and 362,446.74 is: 500,178.45
Step by Step Solution
- Step 1: Write the proportion equation
664,246.26 : 916,663.41 = 362,446.74 : x - Step 2: Convert to fraction form
664,246.26/916,663.41 = 362,446.74/x - Step 3: Cross multiply
664,246.26x = 916,663.41 × 362,446.74 - Step 4: Simplify right side
664,246.26x = 332,241,664,631.78 - Step 5: Solve for x
x = 332,241,664,631.78/664,246.26 - Step 6: Final answer
x = 500,178.45
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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.