Finding the Fourth Proportional to 625,885.98, 863,722.88 and 339,405.99
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Solution
The fourth proportional to 625,885.98, 863,722.88 and 339,405.99 is: 468,380.39
Step by Step Solution
- Step 1: Write the proportion equation
625,885.98 : 863,722.88 = 339,405.99 : x - Step 2: Convert to fraction form
625,885.98/863,722.88 = 339,405.99/x - Step 3: Cross multiply
625,885.98x = 863,722.88 × 339,405.99 - Step 4: Simplify right side
625,885.98x = 293,152,719,172.05 - Step 5: Solve for x
x = 293,152,719,172.05/625,885.98 - Step 6: Final answer
x = 468,380.39
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1.5x scale
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.