Finding the Fourth Proportional to 1,329,739.09, 1,994,608.55 and 332,467.09
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Solution
The fourth proportional to 1,329,739.09, 1,994,608.55 and 332,467.09 is: 498,700.61
Step by Step Solution
- Step 1: Write the proportion equation
1,329,739.09 : 1,994,608.55 = 332,467.09 : x - Step 2: Convert to fraction form
1,329,739.09/1,994,608.55 = 332,467.09/x - Step 3: Cross multiply
1,329,739.09x = 1,994,608.55 × 332,467.09 - Step 4: Simplify right side
1,329,739.09x = 663,141,698,645.28 - Step 5: Solve for x
x = 663,141,698,645.28/1,329,739.09 - Step 6: Final answer
x = 498,700.61
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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.