Finding the Fourth Proportional to 996,497.40, 1,494,964.80 and 322,609.80
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Solution
The fourth proportional to 996,497.40, 1,494,964.80 and 322,609.80 is: 483,985.50
Step by Step Solution
- Step 1: Write the proportion equation
996,497.40 : 1,494,964.80 = 322,609.80 : x - Step 2: Convert to fraction form
996,497.40/1,494,964.80 = 322,609.80/x - Step 3: Cross multiply
996,497.40x = 1,494,964.80 × 322,609.80 - Step 4: Simplify right side
996,497.40x = 482,290,295,135.04 - Step 5: Solve for x
x = 482,290,295,135.04/996,497.40 - Step 6: Final answer
x = 483,985.50
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1.5x scale
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.