Finding the Fourth Proportional to 557,752.44, 769,703.28 and 303,103.68
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Solution
The fourth proportional to 557,752.44, 769,703.28 and 303,103.68 is: 418,285.75
Step by Step Solution
- Step 1: Write the proportion equation
557,752.44 : 769,703.28 = 303,103.68 : x - Step 2: Convert to fraction form
557,752.44/769,703.28 = 303,103.68/x - Step 3: Cross multiply
557,752.44x = 769,703.28 × 303,103.68 - Step 4: Simplify right side
557,752.44x = 233,299,896,676.07 - Step 5: Solve for x
x = 233,299,896,676.07/557,752.44 - Step 6: Final answer
x = 418,285.75
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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.