Finding the Fourth Proportional to 775,560.81, 1,163,355.80 and 243,070.05
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Solution
The fourth proportional to 775,560.81, 1,163,355.80 and 243,070.05 is: 364,609.64
Step by Step Solution
- Step 1: Write the proportion equation
775,560.81 : 1,163,355.80 = 243,070.05 : x - Step 2: Convert to fraction form
775,560.81/1,163,355.80 = 243,070.05/x - Step 3: Cross multiply
775,560.81x = 1,163,355.80 × 243,070.05 - Step 4: Simplify right side
775,560.81x = 282,776,951,258.44 - Step 5: Solve for x
x = 282,776,951,258.44/775,560.81 - Step 6: Final answer
x = 364,609.64
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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.