Finding the Fourth Proportional to 739,438.87, 1,020,435.50 and 417,147.97
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Solution
The fourth proportional to 739,438.87, 1,020,435.50 and 417,147.97 is: 575,669.76
Step by Step Solution
- Step 1: Write the proportion equation
739,438.87 : 1,020,435.50 = 417,147.97 : x - Step 2: Convert to fraction form
739,438.87/1,020,435.50 = 417,147.97/x - Step 3: Cross multiply
739,438.87x = 1,020,435.50 × 417,147.97 - Step 4: Simplify right side
739,438.87x = 425,672,597,806.28 - Step 5: Solve for x
x = 425,672,597,806.28/739,438.87 - Step 6: Final answer
x = 575,669.76
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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.