Finding the Fourth Proportional to 857,343.20, 1,285,752.12 and 592,803.68
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Solution
The fourth proportional to 857,343.20, 1,285,752.12 and 592,803.68 is: 889,023.89
Step by Step Solution
- Step 1: Write the proportion equation
857,343.20 : 1,285,752.12 = 592,803.68 : x - Step 2: Convert to fraction form
857,343.20/1,285,752.12 = 592,803.68/x - Step 3: Cross multiply
857,343.20x = 1,285,752.12 × 592,803.68 - Step 4: Simplify right side
857,343.20x = 762,198,588,303.80 - Step 5: Solve for x
x = 762,198,588,303.80/857,343.20 - Step 6: Final answer
x = 889,023.89
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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.