Finding the Fourth Proportional to 782,306.36, 1,079,493.42 and 438,094.44
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Solution
The fourth proportional to 782,306.36, 1,079,493.42 and 438,094.44 is: 604,520.29
Step by Step Solution
- Step 1: Write the proportion equation
782,306.36 : 1,079,493.42 = 438,094.44 : x - Step 2: Convert to fraction form
782,306.36/1,079,493.42 = 438,094.44/x - Step 3: Cross multiply
782,306.36x = 1,079,493.42 × 438,094.44 - Step 4: Simplify right side
782,306.36x = 472,920,065,318.59 - Step 5: Solve for x
x = 472,920,065,318.59/782,306.36 - Step 6: Final answer
x = 604,520.29
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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.