Finding the Fourth Proportional to 857,212.99, 1,285,729.28 and 351,827.41
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Solution
The fourth proportional to 857,212.99, 1,285,729.28 and 351,827.41 is: 527,704.09
Step by Step Solution
- Step 1: Write the proportion equation
857,212.99 : 1,285,729.28 = 351,827.41 : x - Step 2: Convert to fraction form
857,212.99/1,285,729.28 = 351,827.41/x - Step 3: Cross multiply
857,212.99x = 1,285,729.28 × 351,827.41 - Step 4: Simplify right side
857,212.99x = 452,354,800,784.43 - Step 5: Solve for x
x = 452,354,800,784.43/857,212.99 - Step 6: Final answer
x = 527,704.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.