Finding the Fourth Proportional to 828,132.80, 1,239,574.80 and 591,936.80
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Solution
The fourth proportional to 828,132.80, 1,239,574.80 and 591,936.80 is: 886,029.32
Step by Step Solution
- Step 1: Write the proportion equation
828,132.80 : 1,239,574.80 = 591,936.80 : x - Step 2: Convert to fraction form
828,132.80/1,239,574.80 = 591,936.80/x - Step 3: Cross multiply
828,132.80x = 1,239,574.80 × 591,936.80 - Step 4: Simplify right side
828,132.80x = 733,749,940,472.64 - Step 5: Solve for x
x = 733,749,940,472.64/828,132.80 - Step 6: Final answer
x = 886,029.32
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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.