Finding the Fourth Proportional to 567,787.05, 783,524.39 and 313,138.26
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Solution
The fourth proportional to 567,787.05, 783,524.39 and 313,138.26 is: 432,118.81
Step by Step Solution
- Step 1: Write the proportion equation
567,787.05 : 783,524.39 = 313,138.26 : x - Step 2: Convert to fraction form
567,787.05/783,524.39 = 313,138.26/x - Step 3: Cross multiply
567,787.05x = 783,524.39 × 313,138.26 - Step 4: Simplify right side
567,787.05x = 245,351,462,586.47 - Step 5: Solve for x
x = 245,351,462,586.47/567,787.05 - Step 6: Final answer
x = 432,118.81
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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.