Finding the Fourth Proportional to 626,765.44, 864,950.88 and 372,117.28
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Solution
The fourth proportional to 626,765.44, 864,950.88 and 372,117.28 is: 513,530.50
Step by Step Solution
- Step 1: Write the proportion equation
626,765.44 : 864,950.88 = 372,117.28 : x - Step 2: Convert to fraction form
626,765.44/864,950.88 = 372,117.28/x - Step 3: Cross multiply
626,765.44x = 864,950.88 × 372,117.28 - Step 4: Simplify right side
626,765.44x = 321,863,168,799.21 - Step 5: Solve for x
x = 321,863,168,799.21/626,765.44 - Step 6: Final answer
x = 513,530.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.