Finding the Fourth Proportional to 664,882.74, 997,410.36 and 304,966.80
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Solution
The fourth proportional to 664,882.74, 997,410.36 and 304,966.80 is: 457,489.76
Step by Step Solution
- Step 1: Write the proportion equation
664,882.74 : 997,410.36 = 304,966.80 : x - Step 2: Convert to fraction form
664,882.74/997,410.36 = 304,966.80/x - Step 3: Cross multiply
664,882.74x = 997,410.36 × 304,966.80 - Step 4: Simplify right side
664,882.74x = 304,177,045,776.05 - Step 5: Solve for x
x = 304,177,045,776.05/664,882.74 - Step 6: Final answer
x = 457,489.76
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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.