Finding the Fourth Proportional to 802,239.08, 1,203,047.58 and 428,057.96
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Solution
The fourth proportional to 802,239.08, 1,203,047.58 and 428,057.96 is: 641,920.98
Step by Step Solution
- Step 1: Write the proportion equation
802,239.08 : 1,203,047.58 = 428,057.96 : x - Step 2: Convert to fraction form
802,239.08/1,203,047.58 = 428,057.96/x - Step 3: Cross multiply
802,239.08x = 1,203,047.58 × 428,057.96 - Step 4: Simplify right side
802,239.08x = 514,974,092,877.74 - Step 5: Solve for x
x = 514,974,092,877.74/802,239.08 - Step 6: Final answer
x = 641,920.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.