Finding the Fourth Proportional to 753,326.93, 1,129,990.40 and 332,518.97
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Solution
The fourth proportional to 753,326.93, 1,129,990.40 and 332,518.97 is: 498,778.46
Step by Step Solution
- Step 1: Write the proportion equation
753,326.93 : 1,129,990.40 = 332,518.97 : x - Step 2: Convert to fraction form
753,326.93/1,129,990.40 = 332,518.97/x - Step 3: Cross multiply
753,326.93x = 1,129,990.40 × 332,518.97 - Step 4: Simplify right side
753,326.93x = 375,743,246,327.22 - Step 5: Solve for x
x = 375,743,246,327.22/753,326.93 - Step 6: Final answer
x = 498,778.46
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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.