Finding the Fourth Proportional to 783,958.85, 1,175,935.98 and 215,340.49
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Solution
The fourth proportional to 783,958.85, 1,175,935.98 and 215,340.49 is: 323,010.10
Step by Step Solution
- Step 1: Write the proportion equation
783,958.85 : 1,175,935.98 = 215,340.49 : x - Step 2: Convert to fraction form
783,958.85/1,175,935.98 = 215,340.49/x - Step 3: Cross multiply
783,958.85x = 1,175,935.98 × 215,340.49 - Step 4: Simplify right side
783,958.85x = 253,226,627,201.99 - Step 5: Solve for x
x = 253,226,627,201.99/783,958.85 - Step 6: Final answer
x = 323,010.10
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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.