Finding the Fourth Proportional to 800,072.38, 1,103,579.64 and 513,137.98
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Solution
The fourth proportional to 800,072.38, 1,103,579.64 and 513,137.98 is: 707,796.75
Step by Step Solution
- Step 1: Write the proportion equation
800,072.38 : 1,103,579.64 = 513,137.98 : x - Step 2: Convert to fraction form
800,072.38/1,103,579.64 = 513,137.98/x - Step 3: Cross multiply
800,072.38x = 1,103,579.64 × 513,137.98 - Step 4: Simplify right side
800,072.38x = 566,288,627,238.73 - Step 5: Solve for x
x = 566,288,627,238.73/800,072.38 - Step 6: Final answer
x = 707,796.75
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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.