Finding the Fourth Proportional to 698,790.57, 964,499.99 and 651,512.49
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Solution
The fourth proportional to 698,790.57, 964,499.99 and 651,512.49 is: 899,244.80
Step by Step Solution
- Step 1: Write the proportion equation
698,790.57 : 964,499.99 = 651,512.49 : x - Step 2: Convert to fraction form
698,790.57/964,499.99 = 651,512.49/x - Step 3: Cross multiply
698,790.57x = 964,499.99 × 651,512.49 - Step 4: Simplify right side
698,790.57x = 628,383,786,832.31 - Step 5: Solve for x
x = 628,383,786,832.31/698,790.57 - Step 6: Final answer
x = 899,244.80
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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.