Finding the Fourth Proportional to 749,626.24, 1,124,589.60 and 276,313.60
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Solution
The fourth proportional to 749,626.24, 1,124,589.60 and 276,313.60 is: 414,525.78
Step by Step Solution
- Step 1: Write the proportion equation
749,626.24 : 1,124,589.60 = 276,313.60 : x - Step 2: Convert to fraction form
749,626.24/1,124,589.60 = 276,313.60/x - Step 3: Cross multiply
749,626.24x = 1,124,589.60 × 276,313.60 - Step 4: Simplify right side
749,626.24x = 310,739,400,898.56 - Step 5: Solve for x
x = 310,739,400,898.56/749,626.24 - Step 6: Final answer
x = 414,525.78
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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.