Finding the Fourth Proportional to 612,787.44, 845,646.63 and 344,515.44
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Solution
The fourth proportional to 612,787.44, 845,646.63 and 344,515.44 is: 475,431.29
Step by Step Solution
- Step 1: Write the proportion equation
612,787.44 : 845,646.63 = 344,515.44 : x - Step 2: Convert to fraction form
612,787.44/845,646.63 = 344,515.44/x - Step 3: Cross multiply
612,787.44x = 845,646.63 × 344,515.44 - Step 4: Simplify right side
612,787.44x = 291,338,320,818.97 - Step 5: Solve for x
x = 291,338,320,818.97/612,787.44 - Step 6: Final answer
x = 475,431.29
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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.