Finding the Fourth Proportional to 669,363.50, 923,628.67 and 393,733.84
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Solution
The fourth proportional to 669,363.50, 923,628.67 and 393,733.84 is: 543,298.02
Step by Step Solution
- Step 1: Write the proportion equation
669,363.50 : 923,628.67 = 393,733.84 : x - Step 2: Convert to fraction form
669,363.50/923,628.67 = 393,733.84/x - Step 3: Cross multiply
669,363.50x = 923,628.67 × 393,733.84 - Step 4: Simplify right side
669,363.50x = 363,663,862,973.19 - Step 5: Solve for x
x = 363,663,862,973.19/669,363.50 - Step 6: Final answer
x = 543,298.02
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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.