Finding the Fourth Proportional to 882,707.40, 1,323,024.30 and 408,390.84
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Solution
The fourth proportional to 882,707.40, 1,323,024.30 and 408,390.84 is: 612,106.58
Step by Step Solution
- Step 1: Write the proportion equation
882,707.40 : 1,323,024.30 = 408,390.84 : x - Step 2: Convert to fraction form
882,707.40/1,323,024.30 = 408,390.84/x - Step 3: Cross multiply
882,707.40x = 1,323,024.30 × 408,390.84 - Step 4: Simplify right side
882,707.40x = 540,311,005,217.41 - Step 5: Solve for x
x = 540,311,005,217.41/882,707.40 - Step 6: Final answer
x = 612,106.58
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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.