Finding the Fourth Proportional to 614,119.70, 920,056.88 and 445,221.74
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Solution
The fourth proportional to 614,119.70, 920,056.88 and 445,221.74 is: 667,018.70
Step by Step Solution
- Step 1: Write the proportion equation
614,119.70 : 920,056.88 = 445,221.74 : x - Step 2: Convert to fraction form
614,119.70/920,056.88 = 445,221.74/x - Step 3: Cross multiply
614,119.70x = 920,056.88 × 445,221.74 - Step 4: Simplify right side
614,119.70x = 409,629,325,012.57 - Step 5: Solve for x
x = 409,629,325,012.57/614,119.70 - Step 6: Final answer
x = 667,018.70
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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.