Finding the Fourth Proportional to 869,364.18, 1,303,935.39 and 336,520.62
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Solution
The fourth proportional to 869,364.18, 1,303,935.39 and 336,520.62 is: 504,738.01
Step by Step Solution
- Step 1: Write the proportion equation
869,364.18 : 1,303,935.39 = 336,520.62 : x - Step 2: Convert to fraction form
869,364.18/1,303,935.39 = 336,520.62/x - Step 3: Cross multiply
869,364.18x = 1,303,935.39 × 336,520.62 - Step 4: Simplify right side
869,364.18x = 438,801,145,882.74 - Step 5: Solve for x
x = 438,801,145,882.74/869,364.18 - Step 6: Final answer
x = 504,738.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.