Finding the Fourth Proportional to 563,649.26, 777,833.11 and 305,525.17
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Solution
The fourth proportional to 563,649.26, 777,833.11 and 305,525.17 is: 421,623.18
Step by Step Solution
- Step 1: Write the proportion equation
563,649.26 : 777,833.11 = 305,525.17 : x - Step 2: Convert to fraction form
563,649.26/777,833.11 = 305,525.17/x - Step 3: Cross multiply
563,649.26x = 777,833.11 × 305,525.17 - Step 4: Simplify right side
563,649.26x = 237,647,593,164.38 - Step 5: Solve for x
x = 237,647,593,164.38/563,649.26 - Step 6: Final answer
x = 421,623.18
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1.5x scale
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.