Finding the Fourth Proportional to 958,872.47, 1,438,542.79 and 319,174.97
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Solution
The fourth proportional to 958,872.47, 1,438,542.79 and 319,174.97 is: 478,840.37
Step by Step Solution
- Step 1: Write the proportion equation
958,872.47 : 1,438,542.79 = 319,174.97 : x - Step 2: Convert to fraction form
958,872.47/1,438,542.79 = 319,174.97/x - Step 3: Cross multiply
958,872.47x = 1,438,542.79 × 319,174.97 - Step 4: Simplify right side
958,872.47x = 459,146,843,851.32 - Step 5: Solve for x
x = 459,146,843,851.32/958,872.47 - Step 6: Final answer
x = 478,840.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.