Finding the Fourth Proportional to 703,876.04, 971,120.58 and 397,922.84
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Solution
The fourth proportional to 703,876.04, 971,120.58 and 397,922.84 is: 549,004.42
Step by Step Solution
- Step 1: Write the proportion equation
703,876.04 : 971,120.58 = 397,922.84 : x - Step 2: Convert to fraction form
703,876.04/971,120.58 = 397,922.84/x - Step 3: Cross multiply
703,876.04x = 971,120.58 × 397,922.84 - Step 4: Simplify right side
703,876.04x = 386,431,059,176.05 - Step 5: Solve for x
x = 386,431,059,176.05/703,876.04 - Step 6: Final answer
x = 549,004.42
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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.