Finding the Fourth Proportional to 703,354.08, 970,629.57 and 381,064.19
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Solution
The fourth proportional to 703,354.08, 970,629.57 and 381,064.19 is: 525,869.09
Step by Step Solution
- Step 1: Write the proportion equation
703,354.08 : 970,629.57 = 381,064.19 : x - Step 2: Convert to fraction form
703,354.08/970,629.57 = 381,064.19/x - Step 3: Cross multiply
703,354.08x = 970,629.57 × 381,064.19 - Step 4: Simplify right side
703,354.08x = 369,872,170,882.10 - Step 5: Solve for x
x = 369,872,170,882.10/703,354.08 - Step 6: Final answer
x = 525,869.09
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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.