Finding the Fourth Proportional to 988,559.76, 1,364,214.24 and 535,851.84
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Solution
The fourth proportional to 988,559.76, 1,364,214.24 and 535,851.84 is: 739,476.50
Step by Step Solution
- Step 1: Write the proportion equation
988,559.76 : 1,364,214.24 = 535,851.84 : x - Step 2: Convert to fraction form
988,559.76/1,364,214.24 = 535,851.84/x - Step 3: Cross multiply
988,559.76x = 1,364,214.24 × 535,851.84 - Step 4: Simplify right side
988,559.76x = 731,016,710,658.20 - Step 5: Solve for x
x = 731,016,710,658.20/988,559.76 - Step 6: Final answer
x = 739,476.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.