Finding the Fourth Proportional to 538,908.94, 743,684.52 and 297,213.94
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Solution
The fourth proportional to 538,908.94, 743,684.52 and 297,213.94 is: 410,149.82
Step by Step Solution
- Step 1: Write the proportion equation
538,908.94 : 743,684.52 = 297,213.94 : x - Step 2: Convert to fraction form
538,908.94/743,684.52 = 297,213.94/x - Step 3: Cross multiply
538,908.94x = 743,684.52 × 297,213.94 - Step 4: Simplify right side
538,908.94x = 221,033,406,306.21 - Step 5: Solve for x
x = 221,033,406,306.21/538,908.94 - Step 6: Final answer
x = 410,149.82
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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.