Finding the Fourth Proportional to 724,532.08, 1,086,448.56 and 303,694.96
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Solution
The fourth proportional to 724,532.08, 1,086,448.56 and 303,694.96 is: 455,395.92
Step by Step Solution
- Step 1: Write the proportion equation
724,532.08 : 1,086,448.56 = 303,694.96 : x - Step 2: Convert to fraction form
724,532.08/1,086,448.56 = 303,694.96/x - Step 3: Cross multiply
724,532.08x = 1,086,448.56 × 303,694.96 - Step 4: Simplify right side
724,532.08x = 329,948,951,971.26 - Step 5: Solve for x
x = 329,948,951,971.26/724,532.08 - Step 6: Final answer
x = 455,395.92
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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.