Finding the Fourth Proportional to 857,261.12, 1,285,891.68 and 288,594.65
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Solution
The fourth proportional to 857,261.12, 1,285,891.68 and 288,594.65 is: 432,891.97
Step by Step Solution
- Step 1: Write the proportion equation
857,261.12 : 1,285,891.68 = 288,594.65 : x - Step 2: Convert to fraction form
857,261.12/1,285,891.68 = 288,594.65/x - Step 3: Cross multiply
857,261.12x = 1,285,891.68 × 288,594.65 - Step 4: Simplify right side
857,261.12x = 371,101,452,898.05 - Step 5: Solve for x
x = 371,101,452,898.05/857,261.12 - Step 6: Final answer
x = 432,891.97
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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.