Finding the Fourth Proportional to 669,358.64, 923,722.88 and 363,438.68
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Solution
The fourth proportional to 669,358.64, 923,722.88 and 363,438.68 is: 501,549.70
Step by Step Solution
- Step 1: Write the proportion equation
669,358.64 : 923,722.88 = 363,438.68 : x - Step 2: Convert to fraction form
669,358.64/923,722.88 = 363,438.68/x - Step 3: Cross multiply
669,358.64x = 923,722.88 × 363,438.68 - Step 4: Simplify right side
669,358.64x = 335,716,624,193.00 - Step 5: Solve for x
x = 335,716,624,193.00/669,358.64 - Step 6: Final answer
x = 501,549.70
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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.