Finding the Fourth Proportional to 814,538.70, 1,221,808.05 and 495,674.10
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Solution
The fourth proportional to 814,538.70, 1,221,808.05 and 495,674.10 is: 743,511.15
Step by Step Solution
- Step 1: Write the proportion equation
814,538.70 : 1,221,808.05 = 495,674.10 : x - Step 2: Convert to fraction form
814,538.70/1,221,808.05 = 495,674.10/x - Step 3: Cross multiply
814,538.70x = 1,221,808.05 × 495,674.10 - Step 4: Simplify right side
814,538.70x = 605,618,605,556.51 - Step 5: Solve for x
x = 605,618,605,556.51/814,538.70 - Step 6: Final answer
x = 743,511.15
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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.