Finding the Fourth Proportional to 669,303.84, 923,634.17 and 363,374.15
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Solution
The fourth proportional to 669,303.84, 923,634.17 and 363,374.15 is: 501,453.54
Step by Step Solution
- Step 1: Write the proportion equation
669,303.84 : 923,634.17 = 363,374.15 : x - Step 2: Convert to fraction form
669,303.84/923,634.17 = 363,374.15/x - Step 3: Cross multiply
669,303.84x = 923,634.17 × 363,374.15 - Step 4: Simplify right side
669,303.84x = 335,624,782,835.26 - Step 5: Solve for x
x = 335,624,782,835.26/669,303.84 - Step 6: Final answer
x = 501,453.54
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1.5x scale
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.