Finding the Fourth Proportional to 571,958.42, 789,372.62 and 330,240.59
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Solution
The fourth proportional to 571,958.42, 789,372.62 and 330,240.59 is: 455,772.43
Step by Step Solution
- Step 1: Write the proportion equation
571,958.42 : 789,372.62 = 330,240.59 : x - Step 2: Convert to fraction form
571,958.42/789,372.62 = 330,240.59/x - Step 3: Cross multiply
571,958.42x = 789,372.62 × 330,240.59 - Step 4: Simplify right side
571,958.42x = 260,682,879,758.65 - Step 5: Solve for x
x = 260,682,879,758.65/571,958.42 - Step 6: Final answer
x = 455,772.43
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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.