Finding the Fourth Proportional to 916,341.98, 1,373,327.38 and 511,524.18
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Solution
The fourth proportional to 916,341.98, 1,373,327.38 and 511,524.18 is: 766,624.45
Step by Step Solution
- Step 1: Write the proportion equation
916,341.98 : 1,373,327.38 = 511,524.18 : x - Step 2: Convert to fraction form
916,341.98/1,373,327.38 = 511,524.18/x - Step 3: Cross multiply
916,341.98x = 1,373,327.38 × 511,524.18 - Step 4: Simplify right side
916,341.98x = 702,490,161,926.05 - Step 5: Solve for x
x = 702,490,161,926.05/916,341.98 - Step 6: Final answer
x = 766,624.45
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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.