Finding the Fourth Proportional to 756,048.40, 1,134,072.60 and 282,635.80
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Solution
The fourth proportional to 756,048.40, 1,134,072.60 and 282,635.80 is: 423,953.70
Step by Step Solution
- Step 1: Write the proportion equation
756,048.40 : 1,134,072.60 = 282,635.80 : x - Step 2: Convert to fraction form
756,048.40/1,134,072.60 = 282,635.80/x - Step 3: Cross multiply
756,048.40x = 1,134,072.60 × 282,635.80 - Step 4: Simplify right side
756,048.40x = 320,529,516,559.08 - Step 5: Solve for x
x = 320,529,516,559.08/756,048.40 - Step 6: Final answer
x = 423,953.70
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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.