Finding the Fourth Proportional to 677,460.62, 934,828.28 and 391,072.97
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Solution
The fourth proportional to 677,460.62, 934,828.28 and 391,072.97 is: 539,641.80
Step by Step Solution
- Step 1: Write the proportion equation
677,460.62 : 934,828.28 = 391,072.97 : x - Step 2: Convert to fraction form
677,460.62/934,828.28 = 391,072.97/x - Step 3: Cross multiply
677,460.62x = 934,828.28 × 391,072.97 - Step 4: Simplify right side
677,460.62x = 365,586,065,270.09 - Step 5: Solve for x
x = 365,586,065,270.09/677,460.62 - Step 6: Final answer
x = 539,641.80
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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.