Finding the Fourth Proportional to 994,122, 1,490,271.84 and 387,319.68
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Solution
The fourth proportional to 994,122, 1,490,271.84 and 387,319.68 is: 580,624.52
Step by Step Solution
- Step 1: Write the proportion equation
994,122 : 1,490,271.84 = 387,319.68 : x - Step 2: Convert to fraction form
994,122/1,490,271.84 = 387,319.68/x - Step 3: Cross multiply
994,122x = 1,490,271.84 × 387,319.68 - Step 4: Simplify right side
994,122x = 577,211,612,181.81 - Step 5: Solve for x
x = 577,211,612,181.81/994,122 - Step 6: Final answer
x = 580,624.52
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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.