Finding the Fourth Proportional to 669,263.21, 923,599.28 and 363,352.47
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Solution
The fourth proportional to 669,263.21, 923,599.28 and 363,352.47 is: 501,435.12
Step by Step Solution
- Step 1: Write the proportion equation
669,263.21 : 923,599.28 = 363,352.47 : x - Step 2: Convert to fraction form
669,263.21/923,599.28 = 363,352.47/x - Step 3: Cross multiply
669,263.21x = 923,599.28 × 363,352.47 - Step 4: Simplify right side
669,263.21x = 335,592,079,678.22 - Step 5: Solve for x
x = 335,592,079,678.22/669,263.21 - Step 6: Final answer
x = 501,435.12
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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.