Finding the Fourth Proportional to 740,027.10, 1,110,040.65 and 440,651.10
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Solution
The fourth proportional to 740,027.10, 1,110,040.65 and 440,651.10 is: 660,976.65
Step by Step Solution
- Step 1: Write the proportion equation
740,027.10 : 1,110,040.65 = 440,651.10 : x - Step 2: Convert to fraction form
740,027.10/1,110,040.65 = 440,651.10/x - Step 3: Cross multiply
740,027.10x = 1,110,040.65 × 440,651.10 - Step 4: Simplify right side
740,027.10x = 489,140,633,467.22 - Step 5: Solve for x
x = 489,140,633,467.22/740,027.10 - Step 6: Final answer
x = 660,976.65
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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.