Finding the Fourth Proportional to 392,064.78, 588,101.70 and 372,943.08
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Solution
The fourth proportional to 392,064.78, 588,101.70 and 372,943.08 is: 559,418.93
Step by Step Solution
- Step 1: Write the proportion equation
392,064.78 : 588,101.70 = 372,943.08 : x - Step 2: Convert to fraction form
392,064.78/588,101.70 = 372,943.08/x - Step 3: Cross multiply
392,064.78x = 588,101.70 × 372,943.08 - Step 4: Simplify right side
392,064.78x = 219,328,459,351.24 - Step 5: Solve for x
x = 219,328,459,351.24/392,064.78 - Step 6: Final answer
x = 559,418.93
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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.