Finding the Fourth Proportional to 587,235.81, 810,347.06 and 345,471.68
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Solution
The fourth proportional to 587,235.81, 810,347.06 and 345,471.68 is: 476,728.35
Step by Step Solution
- Step 1: Write the proportion equation
587,235.81 : 810,347.06 = 345,471.68 : x - Step 2: Convert to fraction form
587,235.81/810,347.06 = 345,471.68/x - Step 3: Cross multiply
587,235.81x = 810,347.06 × 345,471.68 - Step 4: Simplify right side
587,235.81x = 279,951,956,991.20 - Step 5: Solve for x
x = 279,951,956,991.20/587,235.81 - Step 6: Final answer
x = 476,728.35
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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.