Finding the Fourth Proportional to 557,282.29, 769,284.98 and 376,239.44
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Solution
The fourth proportional to 557,282.29, 769,284.98 and 376,239.44 is: 519,369.37
Step by Step Solution
- Step 1: Write the proportion equation
557,282.29 : 769,284.98 = 376,239.44 : x - Step 2: Convert to fraction form
557,282.29/769,284.98 = 376,239.44/x - Step 3: Cross multiply
557,282.29x = 769,284.98 × 376,239.44 - Step 4: Simplify right side
557,282.29x = 289,435,351,528.52 - Step 5: Solve for x
x = 289,435,351,528.52/557,282.29 - Step 6: Final answer
x = 519,369.37
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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.