Finding the Fourth Proportional to 685,793.68, 1,028,315.53 and 544,546.29
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Solution
The fourth proportional to 685,793.68, 1,028,315.53 and 544,546.29 is: 816,521.68
Step by Step Solution
- Step 1: Write the proportion equation
685,793.68 : 1,028,315.53 = 544,546.29 : x - Step 2: Convert to fraction form
685,793.68/1,028,315.53 = 544,546.29/x - Step 3: Cross multiply
685,793.68x = 1,028,315.53 × 544,546.29 - Step 4: Simplify right side
685,793.68x = 559,965,406,810.88 - Step 5: Solve for x
x = 559,965,406,810.88/685,793.68 - Step 6: Final answer
x = 816,521.68
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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.