Finding the Fourth Proportional to 756,068.40, 1,134,102.60 and 282,655.80
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Solution
The fourth proportional to 756,068.40, 1,134,102.60 and 282,655.80 is: 423,983.70
Step by Step Solution
- Step 1: Write the proportion equation
756,068.40 : 1,134,102.60 = 282,655.80 : x - Step 2: Convert to fraction form
756,068.40/1,134,102.60 = 282,655.80/x - Step 3: Cross multiply
756,068.40x = 1,134,102.60 × 282,655.80 - Step 4: Simplify right side
756,068.40x = 320,560,677,685.08 - Step 5: Solve for x
x = 320,560,677,685.08/756,068.40 - Step 6: Final answer
x = 423,983.70
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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.