Finding the Fourth Proportional to 625,028.60, 862,539.50 and 338,548.79
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Solution
The fourth proportional to 625,028.60, 862,539.50 and 338,548.79 is: 467,197.35
Step by Step Solution
- Step 1: Write the proportion equation
625,028.60 : 862,539.50 = 338,548.79 : x - Step 2: Convert to fraction form
625,028.60/862,539.50 = 338,548.79/x - Step 3: Cross multiply
625,028.60x = 862,539.50 × 338,548.79 - Step 4: Simplify right side
625,028.60x = 292,011,704,052.21 - Step 5: Solve for x
x = 292,011,704,052.21/625,028.60 - Step 6: Final answer
x = 467,197.35
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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.