Finding the Fourth Proportional to 754,317.53, 1,131,511.73 and 248,922.68
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Solution
The fourth proportional to 754,317.53, 1,131,511.73 and 248,922.68 is: 373,395.71
Step by Step Solution
- Step 1: Write the proportion equation
754,317.53 : 1,131,511.73 = 248,922.68 : x - Step 2: Convert to fraction form
754,317.53/1,131,511.73 = 248,922.68/x - Step 3: Cross multiply
754,317.53x = 1,131,511.73 × 248,922.68 - Step 4: Simplify right side
754,317.53x = 281,658,932,283.04 - Step 5: Solve for x
x = 281,658,932,283.04/754,317.53 - Step 6: Final answer
x = 373,395.71
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1.5x scale
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.