Finding the Fourth Proportional to 756,685.57, 1,044,234.18 and 417,165.97
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Solution
The fourth proportional to 756,685.57, 1,044,234.18 and 417,165.97 is: 575,693.50
Step by Step Solution
- Step 1: Write the proportion equation
756,685.57 : 1,044,234.18 = 417,165.97 : x - Step 2: Convert to fraction form
756,685.57/1,044,234.18 = 417,165.97/x - Step 3: Cross multiply
756,685.57x = 1,044,234.18 × 417,165.97 - Step 4: Simplify right side
756,685.57x = 435,618,964,606.86 - Step 5: Solve for x
x = 435,618,964,606.86/756,685.57 - Step 6: Final answer
x = 575,693.50
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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.