Finding the Fourth Proportional to 571,958.08, 789,370.16 and 330,299.36
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Solution
The fourth proportional to 571,958.08, 789,370.16 and 330,299.36 is: 455,852.39
Step by Step Solution
- Step 1: Write the proportion equation
571,958.08 : 789,370.16 = 330,299.36 : x - Step 2: Convert to fraction form
571,958.08/789,370.16 = 330,299.36/x - Step 3: Cross multiply
571,958.08x = 789,370.16 × 330,299.36 - Step 4: Simplify right side
571,958.08x = 260,728,458,651.10 - Step 5: Solve for x
x = 260,728,458,651.10/571,958.08 - Step 6: Final answer
x = 455,852.39
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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.