Finding the Fourth Proportional to 823,271.80, 1,234,907.70 and 486,473.80
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Solution
The fourth proportional to 823,271.80, 1,234,907.70 and 486,473.80 is: 729,710.70
Step by Step Solution
- Step 1: Write the proportion equation
823,271.80 : 1,234,907.70 = 486,473.80 : x - Step 2: Convert to fraction form
823,271.80/1,234,907.70 = 486,473.80/x - Step 3: Cross multiply
823,271.80x = 1,234,907.70 × 486,473.80 - Step 4: Simplify right side
823,271.80x = 600,750,241,468.26 - Step 5: Solve for x
x = 600,750,241,468.26/823,271.80 - Step 6: Final answer
x = 729,710.70
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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.