Finding the Fourth Proportional to 927,902.35, 1,391,512.11 and 320,536.09
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Solution
The fourth proportional to 927,902.35, 1,391,512.11 and 320,536.09 is: 480,686.20
Step by Step Solution
- Step 1: Write the proportion equation
927,902.35 : 1,391,512.11 = 320,536.09 : x - Step 2: Convert to fraction form
927,902.35/1,391,512.11 = 320,536.09/x - Step 3: Cross multiply
927,902.35x = 1,391,512.11 × 320,536.09 - Step 4: Simplify right side
927,902.35x = 446,029,850,927.05 - Step 5: Solve for x
x = 446,029,850,927.05/927,902.35 - Step 6: Final answer
x = 480,686.20
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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.