Finding the Fourth Proportional to 581,680.73, 802,391.57 and 349,047.49
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Solution
The fourth proportional to 581,680.73, 802,391.57 and 349,047.49 is: 481,488.82
Step by Step Solution
- Step 1: Write the proportion equation
581,680.73 : 802,391.57 = 349,047.49 : x - Step 2: Convert to fraction form
581,680.73/802,391.57 = 349,047.49/x - Step 3: Cross multiply
581,680.73x = 802,391.57 × 349,047.49 - Step 4: Simplify right side
581,680.73x = 280,072,765,677.32 - Step 5: Solve for x
x = 280,072,765,677.32/581,680.73 - Step 6: Final answer
x = 481,488.82
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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.