Finding the Fourth Proportional to 994,155.24, 1,372,057.74 and 564,573.36
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Solution
The fourth proportional to 994,155.24, 1,372,057.74 and 564,573.36 is: 779,181.38
Step by Step Solution
- Step 1: Write the proportion equation
994,155.24 : 1,372,057.74 = 564,573.36 : x - Step 2: Convert to fraction form
994,155.24/1,372,057.74 = 564,573.36/x - Step 3: Cross multiply
994,155.24x = 1,372,057.74 × 564,573.36 - Step 4: Simplify right side
994,155.24x = 774,627,248,385.81 - Step 5: Solve for x
x = 774,627,248,385.81/994,155.24 - Step 6: Final answer
x = 779,181.38
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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.