Finding the Fourth Proportional to 492,507.73, 679,631.37 and 285,760.14
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Solution
The fourth proportional to 492,507.73, 679,631.37 and 285,760.14 is: 394,331.99
Step by Step Solution
- Step 1: Write the proportion equation
492,507.73 : 679,631.37 = 285,760.14 : x - Step 2: Convert to fraction form
492,507.73/679,631.37 = 285,760.14/x - Step 3: Cross multiply
492,507.73x = 679,631.37 × 285,760.14 - Step 4: Simplify right side
492,507.73x = 194,211,555,439.59 - Step 5: Solve for x
x = 194,211,555,439.59/492,507.73 - Step 6: Final answer
x = 394,331.99
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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.