Finding the Fourth Proportional to 857,204.61, 1,285,806.84 and 288,537.99
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Solution
The fourth proportional to 857,204.61, 1,285,806.84 and 288,537.99 is: 432,806.96
Step by Step Solution
- Step 1: Write the proportion equation
857,204.61 : 1,285,806.84 = 288,537.99 : x - Step 2: Convert to fraction form
857,204.61/1,285,806.84 = 288,537.99/x - Step 3: Cross multiply
857,204.61x = 1,285,806.84 × 288,537.99 - Step 4: Simplify right side
857,204.61x = 371,004,121,141.85 - Step 5: Solve for x
x = 371,004,121,141.85/857,204.61 - Step 6: Final answer
x = 432,806.96
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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.