Finding the Fourth Proportional to 546,562.36, 814,409.98 and 486,939.88
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Solution
The fourth proportional to 546,562.36, 814,409.98 and 486,939.88 is: 725,568.99
Step by Step Solution
- Step 1: Write the proportion equation
546,562.36 : 814,409.98 = 486,939.88 : x - Step 2: Convert to fraction form
546,562.36/814,409.98 = 486,939.88/x - Step 3: Cross multiply
546,562.36x = 814,409.98 × 486,939.88 - Step 4: Simplify right side
546,562.36x = 396,568,697,932.00 - Step 5: Solve for x
x = 396,568,697,932.00/546,562.36 - Step 6: Final answer
x = 725,568.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.