Finding the Fourth Proportional to 921,193.92, 1,381,674.24 and 360,622.08
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Solution
The fourth proportional to 921,193.92, 1,381,674.24 and 360,622.08 is: 540,887.46
Step by Step Solution
- Step 1: Write the proportion equation
921,193.92 : 1,381,674.24 = 360,622.08 : x - Step 2: Convert to fraction form
921,193.92/1,381,674.24 = 360,622.08/x - Step 3: Cross multiply
921,193.92x = 1,381,674.24 × 360,622.08 - Step 4: Simplify right side
921,193.92x = 498,262,238,311.22 - Step 5: Solve for x
x = 498,262,238,311.22/921,193.92 - Step 6: Final answer
x = 540,887.46
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1.5x scale
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.