Finding the Fourth Proportional to 894,517.92, 1,234,440.18 and 486,623.52
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Solution
The fourth proportional to 894,517.92, 1,234,440.18 and 486,623.52 is: 671,543.42
Step by Step Solution
- Step 1: Write the proportion equation
894,517.92 : 1,234,440.18 = 486,623.52 : x - Step 2: Convert to fraction form
894,517.92/1,234,440.18 = 486,623.52/x - Step 3: Cross multiply
894,517.92x = 1,234,440.18 × 486,623.52 - Step 4: Simplify right side
894,517.92x = 600,707,625,621.03 - Step 5: Solve for x
x = 600,707,625,621.03/894,517.92 - Step 6: Final answer
x = 671,543.42
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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.