Finding the Fourth Proportional to 557,893.44, 769,909.68 and 316,176.48
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Solution
The fourth proportional to 557,893.44, 769,909.68 and 316,176.48 is: 436,333.03
Step by Step Solution
- Step 1: Write the proportion equation
557,893.44 : 769,909.68 = 316,176.48 : x - Step 2: Convert to fraction form
557,893.44/769,909.68 = 316,176.48/x - Step 3: Cross multiply
557,893.44x = 769,909.68 × 316,176.48 - Step 4: Simplify right side
557,893.44x = 243,427,332,540.33 - Step 5: Solve for x
x = 243,427,332,540.33/557,893.44 - Step 6: Final answer
x = 436,333.03
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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.