Finding the Fourth Proportional to 752,446.74, 1,128,667.06 and 272,562.24
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Solution
The fourth proportional to 752,446.74, 1,128,667.06 and 272,562.24 is: 408,842.26
Step by Step Solution
- Step 1: Write the proportion equation
752,446.74 : 1,128,667.06 = 272,562.24 : x - Step 2: Convert to fraction form
752,446.74/1,128,667.06 = 272,562.24/x - Step 3: Cross multiply
752,446.74x = 1,128,667.06 × 272,562.24 - Step 4: Simplify right side
752,446.74x = 307,632,022,087.81 - Step 5: Solve for x
x = 307,632,022,087.81/752,446.74 - Step 6: Final answer
x = 408,842.26
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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.