Finding the Fourth Proportional to 539,087.24, 743,882.90 and 297,369.79
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Solution
The fourth proportional to 539,087.24, 743,882.90 and 297,369.79 is: 410,338.60
Step by Step Solution
- Step 1: Write the proportion equation
539,087.24 : 743,882.90 = 297,369.79 : x - Step 2: Convert to fraction form
539,087.24/743,882.90 = 297,369.79/x - Step 3: Cross multiply
539,087.24x = 743,882.90 × 297,369.79 - Step 4: Simplify right side
539,087.24x = 221,208,300,641.31 - Step 5: Solve for x
x = 221,208,300,641.31/539,087.24 - Step 6: Final answer
x = 410,338.60
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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.