Finding the Fourth Proportional to 474,266.40, 711,955.20 and 374,493.84
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Solution
The fourth proportional to 474,266.40, 711,955.20 and 374,493.84 is: 562,179.48
Step by Step Solution
- Step 1: Write the proportion equation
474,266.40 : 711,955.20 = 374,493.84 : x - Step 2: Convert to fraction form
474,266.40/711,955.20 = 374,493.84/x - Step 3: Cross multiply
474,266.40x = 711,955.20 × 374,493.84 - Step 4: Simplify right side
474,266.40x = 266,622,836,755.97 - Step 5: Solve for x
x = 266,622,836,755.97/474,266.40 - Step 6: Final answer
x = 562,179.48
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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.