Finding the Fourth Proportional to 985,997.33, 1,479,159.44 and 346,135.13
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Solution
The fourth proportional to 985,997.33, 1,479,159.44 and 346,135.13 is: 519,260.07
Step by Step Solution
- Step 1: Write the proportion equation
985,997.33 : 1,479,159.44 = 346,135.13 : x - Step 2: Convert to fraction form
985,997.33/1,479,159.44 = 346,135.13/x - Step 3: Cross multiply
985,997.33x = 1,479,159.44 × 346,135.13 - Step 4: Simplify right side
985,997.33x = 511,989,043,324.45 - Step 5: Solve for x
x = 511,989,043,324.45/985,997.33 - Step 6: Final answer
x = 519,260.07
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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.