Finding the Fourth Proportional to 625,283.35, 862,907.01 and 383,699.43
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Solution
The fourth proportional to 625,283.35, 862,907.01 and 383,699.43 is: 529,515.02
Step by Step Solution
- Step 1: Write the proportion equation
625,283.35 : 862,907.01 = 383,699.43 : x - Step 2: Convert to fraction form
625,283.35/862,907.01 = 383,699.43/x - Step 3: Cross multiply
625,283.35x = 862,907.01 × 383,699.43 - Step 4: Simplify right side
625,283.35x = 331,096,926,441.13 - Step 5: Solve for x
x = 331,096,926,441.13/625,283.35 - Step 6: Final answer
x = 529,515.02
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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.