Finding the Fourth Proportional to 751,922.16, 1,037,718.18 and 412,456
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Solution
The fourth proportional to 751,922.16, 1,037,718.18 and 412,456 is: 569,225.26
Step by Step Solution
- Step 1: Write the proportion equation
751,922.16 : 1,037,718.18 = 412,456 : x - Step 2: Convert to fraction form
751,922.16/1,037,718.18 = 412,456/x - Step 3: Cross multiply
751,922.16x = 1,037,718.18 × 412,456 - Step 4: Simplify right side
751,922.16x = 428,013,089,650.08 - Step 5: Solve for x
x = 428,013,089,650.08/751,922.16 - Step 6: Final answer
x = 569,225.26
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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.