Finding the Fourth Proportional to 747,874.24, 1,121,629.92 and 249,173.44
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Solution
The fourth proportional to 747,874.24, 1,121,629.92 and 249,173.44 is: 373,699.71
Step by Step Solution
- Step 1: Write the proportion equation
747,874.24 : 1,121,629.92 = 249,173.44 : x - Step 2: Convert to fraction form
747,874.24/1,121,629.92 = 249,173.44/x - Step 3: Cross multiply
747,874.24x = 1,121,629.92 × 249,173.44 - Step 4: Simplify right side
747,874.24x = 279,480,385,573.33 - Step 5: Solve for x
x = 279,480,385,573.33/747,874.24 - Step 6: Final answer
x = 373,699.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.