Finding the Fourth Proportional to 739,919.16, 1,021,091.94 and 417,642.84
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Solution
The fourth proportional to 739,919.16, 1,021,091.94 and 417,642.84 is: 576,349.09
Step by Step Solution
- Step 1: Write the proportion equation
739,919.16 : 1,021,091.94 = 417,642.84 : x - Step 2: Convert to fraction form
739,919.16/1,021,091.94 = 417,642.84/x - Step 3: Cross multiply
739,919.16x = 1,021,091.94 × 417,642.84 - Step 4: Simplify right side
739,919.16x = 426,451,737,722.71 - Step 5: Solve for x
x = 426,451,737,722.71/739,919.16 - Step 6: Final answer
x = 576,349.09
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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.