Finding the Fourth Proportional to 496,217.05, 684,933.71 and 394,423.14
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Solution
The fourth proportional to 496,217.05, 684,933.71 and 394,423.14 is: 544,426.49
Step by Step Solution
- Step 1: Write the proportion equation
496,217.05 : 684,933.71 = 394,423.14 : x - Step 2: Convert to fraction form
496,217.05/684,933.71 = 394,423.14/x - Step 3: Cross multiply
496,217.05x = 684,933.71 × 394,423.14 - Step 4: Simplify right side
496,217.05x = 270,153,704,590.05 - Step 5: Solve for x
x = 270,153,704,590.05/496,217.05 - Step 6: Final answer
x = 544,426.49
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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.