Finding the Fourth Proportional to 757,094.88, 1,135,799.06 and 307,815.82
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Solution
The fourth proportional to 757,094.88, 1,135,799.06 and 307,815.82 is: 461,787.46
Step by Step Solution
- Step 1: Write the proportion equation
757,094.88 : 1,135,799.06 = 307,815.82 : x - Step 2: Convert to fraction form
757,094.88/1,135,799.06 = 307,815.82/x - Step 3: Cross multiply
757,094.88x = 1,135,799.06 × 307,815.82 - Step 4: Simplify right side
757,094.88x = 349,616,919,009.13 - Step 5: Solve for x
x = 349,616,919,009.13/757,094.88 - Step 6: Final answer
x = 461,787.46
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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.