Finding the Fourth Proportional to 440,899.65, 661,620.21 and 350,407.05
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Solution
The fourth proportional to 440,899.65, 661,620.21 and 350,407.05 is: 525,825.74
Step by Step Solution
- Step 1: Write the proportion equation
440,899.65 : 661,620.21 = 350,407.05 : x - Step 2: Convert to fraction form
440,899.65/661,620.21 = 350,407.05/x - Step 3: Cross multiply
440,899.65x = 661,620.21 × 350,407.05 - Step 4: Simplify right side
440,899.65x = 231,836,386,006.48 - Step 5: Solve for x
x = 231,836,386,006.48/440,899.65 - Step 6: Final answer
x = 525,825.74
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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.