Finding the Fourth Proportional to 719,631.24, 992,674.79 and 464,982.42
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Solution
The fourth proportional to 719,631.24, 992,674.79 and 464,982.42 is: 641,406.75
Step by Step Solution
- Step 1: Write the proportion equation
719,631.24 : 992,674.79 = 464,982.42 : x - Step 2: Convert to fraction form
719,631.24/992,674.79 = 464,982.42/x - Step 3: Cross multiply
719,631.24x = 992,674.79 × 464,982.42 - Step 4: Simplify right side
719,631.24x = 461,576,328,608.88 - Step 5: Solve for x
x = 461,576,328,608.88/719,631.24 - Step 6: Final answer
x = 641,406.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.