Finding the Fourth Proportional to 994,467.87, 1,372,329.09 and 607,930.74
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Solution
The fourth proportional to 994,467.87, 1,372,329.09 and 607,930.74 is: 838,922.07
Step by Step Solution
- Step 1: Write the proportion equation
994,467.87 : 1,372,329.09 = 607,930.74 : x - Step 2: Convert to fraction form
994,467.87/1,372,329.09 = 607,930.74/x - Step 3: Cross multiply
994,467.87x = 1,372,329.09 × 607,930.74 - Step 4: Simplify right side
994,467.87x = 834,281,039,207.23 - Step 5: Solve for x
x = 834,281,039,207.23/994,467.87 - Step 6: Final answer
x = 838,922.07
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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.