Finding the Fourth Proportional to 984,548.13, 1,358,677.63 and 531,839.13
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Solution
The fourth proportional to 984,548.13, 1,358,677.63 and 531,839.13 is: 733,938.65
Step by Step Solution
- Step 1: Write the proportion equation
984,548.13 : 1,358,677.63 = 531,839.13 : x - Step 2: Convert to fraction form
984,548.13/1,358,677.63 = 531,839.13/x - Step 3: Cross multiply
984,548.13x = 1,358,677.63 × 531,839.13 - Step 4: Simplify right side
984,548.13x = 722,597,928,689.66 - Step 5: Solve for x
x = 722,597,928,689.66/984,548.13 - Step 6: Final answer
x = 733,938.65
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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.