Finding the Fourth Proportional to 669,470.49, 923,868.18 and 367,664.49
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Solution
The fourth proportional to 669,470.49, 923,868.18 and 367,664.49 is: 507,376.39
Step by Step Solution
- Step 1: Write the proportion equation
669,470.49 : 923,868.18 = 367,664.49 : x - Step 2: Convert to fraction form
669,470.49/923,868.18 = 367,664.49/x - Step 3: Cross multiply
669,470.49x = 923,868.18 × 367,664.49 - Step 4: Simplify right side
669,470.49x = 339,673,523,226.93 - Step 5: Solve for x
x = 339,673,523,226.93/669,470.49 - Step 6: Final answer
x = 507,376.39
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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.