Finding the Fourth Proportional to 557,290.36, 769,296.12 and 376,247.52
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Solution
The fourth proportional to 557,290.36, 769,296.12 and 376,247.52 is: 519,380.52
Step by Step Solution
- Step 1: Write the proportion equation
557,290.36 : 769,296.12 = 376,247.52 : x - Step 2: Convert to fraction form
557,290.36/769,296.12 = 376,247.52/x - Step 3: Cross multiply
557,290.36x = 769,296.12 × 376,247.52 - Step 4: Simplify right side
557,290.36x = 289,445,757,295.62 - Step 5: Solve for x
x = 289,445,757,295.62/557,290.36 - Step 6: Final answer
x = 519,380.52
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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.