Finding the Fourth Proportional to 538,828.47, 743,567.38 and 297,110.99
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Solution
The fourth proportional to 538,828.47, 743,567.38 and 297,110.99 is: 410,004.40
Step by Step Solution
- Step 1: Write the proportion equation
538,828.47 : 743,567.38 = 297,110.99 : x - Step 2: Convert to fraction form
538,828.47/743,567.38 = 297,110.99/x - Step 3: Cross multiply
538,828.47x = 743,567.38 × 297,110.99 - Step 4: Simplify right side
538,828.47x = 220,922,041,519.65 - Step 5: Solve for x
x = 220,922,041,519.65/538,828.47 - Step 6: Final answer
x = 410,004.40
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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.