Finding the Fourth Proportional to 744,780.42, 1,027,794.15 and 422,552.70
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Solution
The fourth proportional to 744,780.42, 1,027,794.15 and 422,552.70 is: 583,121.12
Step by Step Solution
- Step 1: Write the proportion equation
744,780.42 : 1,027,794.15 = 422,552.70 : x - Step 2: Convert to fraction form
744,780.42/1,027,794.15 = 422,552.70/x - Step 3: Cross multiply
744,780.42x = 1,027,794.15 × 422,552.70 - Step 4: Simplify right side
744,780.42x = 434,297,193,126.71 - Step 5: Solve for x
x = 434,297,193,126.71/744,780.42 - Step 6: Final answer
x = 583,121.12
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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.