Finding the Fourth Proportional to 960,849.36, 1,326,103.68 and 552,942.72
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Solution
The fourth proportional to 960,849.36, 1,326,103.68 and 552,942.72 is: 763,136.66
Step by Step Solution
- Step 1: Write the proportion equation
960,849.36 : 1,326,103.68 = 552,942.72 : x - Step 2: Convert to fraction form
960,849.36/1,326,103.68 = 552,942.72/x - Step 3: Cross multiply
960,849.36x = 1,326,103.68 × 552,942.72 - Step 4: Simplify right side
960,849.36x = 733,259,375,821.21 - Step 5: Solve for x
x = 733,259,375,821.21/960,849.36 - Step 6: Final answer
x = 763,136.66
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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.