Finding the Fourth Proportional to 782,304.36, 1,079,490.66 and 438,092.44
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Solution
The fourth proportional to 782,304.36, 1,079,490.66 and 438,092.44 is: 604,517.53
Step by Step Solution
- Step 1: Write the proportion equation
782,304.36 : 1,079,490.66 = 438,092.44 : x - Step 2: Convert to fraction form
782,304.36/1,079,490.66 = 438,092.44/x - Step 3: Cross multiply
782,304.36x = 1,079,490.66 × 438,092.44 - Step 4: Simplify right side
782,304.36x = 472,916,697,196.61 - Step 5: Solve for x
x = 472,916,697,196.61/782,304.36 - Step 6: Final answer
x = 604,517.53
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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.