Finding the Fourth Proportional to 994,561.70, 1,372,447.41 and 564,785.06
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Solution
The fourth proportional to 994,561.70, 1,372,447.41 and 564,785.06 is: 779,376.27
Step by Step Solution
- Step 1: Write the proportion equation
994,561.70 : 1,372,447.41 = 564,785.06 : x - Step 2: Convert to fraction form
994,561.70/1,372,447.41 = 564,785.06/x - Step 3: Cross multiply
994,561.70x = 1,372,447.41 × 564,785.06 - Step 4: Simplify right side
994,561.70x = 775,137,792,803.70 - Step 5: Solve for x
x = 775,137,792,803.70/994,561.70 - Step 6: Final answer
x = 779,376.27
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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.