Finding the Fourth Proportional to 620,658.79, 929,696.48 and 394,900.92
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Solution
The fourth proportional to 620,658.79, 929,696.48 and 394,900.92 is: 591,529.52
Step by Step Solution
- Step 1: Write the proportion equation
620,658.79 : 929,696.48 = 394,900.92 : x - Step 2: Convert to fraction form
620,658.79/929,696.48 = 394,900.92/x - Step 3: Cross multiply
620,658.79x = 929,696.48 × 394,900.92 - Step 4: Simplify right side
620,658.79x = 367,137,995,272.76 - Step 5: Solve for x
x = 367,137,995,272.76/620,658.79 - Step 6: Final answer
x = 591,529.52
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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.