Finding the Fourth Proportional to 538,057.62, 742,489.74 and 296,294.49
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Solution
The fourth proportional to 538,057.62, 742,489.74 and 296,294.49 is: 408,870.00
Step by Step Solution
- Step 1: Write the proportion equation
538,057.62 : 742,489.74 = 296,294.49 : x - Step 2: Convert to fraction form
538,057.62/742,489.74 = 296,294.49/x - Step 3: Cross multiply
538,057.62x = 742,489.74 × 296,294.49 - Step 4: Simplify right side
538,057.62x = 219,995,618,843.53 - Step 5: Solve for x
x = 219,995,618,843.53/538,057.62 - Step 6: Final answer
x = 408,870.00
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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.